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Upwardly Mobile - API & App Security News
Approov Mobile Security
106 episodes
3 days ago
Dive into the high-stakes world of mobile app development and API security with Upwardly Mobile, your ultimate guide to defending apps in today’s volatile digital landscape. Hosted by Skye Macintyre and George McGregor, and proudly sponsored by Approov, the gold standard in mobile app attestation and API security. This podcast unpacks the evolving AI enabled threats and innovative solutions shaping mobile cybersecurity. Explore why built-in protection from Apple, Google, Samsung and Huawei often fall short, leaving sensitive data vulnerable. Learn how advanced techniques—like runtime attestation and dynamic API security—thwart attackers and secure your app ecosystem. Each episode delivers insights into major data breaches, emerging trends, and actionable strategies to fortify your apps and APIs against ever-advancing cyber threats. From development best practices to navigating compliance and regulation, Upwardly Mobile equips iOS, Android and HarmonyOS mobile developers, security professionals, and tech enthusiasts with the knowledge to safeguard their creations. Stay informed, stay secure, and stay ahead with expert guidance on the future of mobile cybersecurity. Subscribe now on Spotify and Apple Podcasts, and elevate your security game!
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All content for Upwardly Mobile - API & App Security News is the property of Approov Mobile Security and is served directly from their servers with no modification, redirects, or rehosting. The podcast is not affiliated with or endorsed by Podjoint in any way.
Dive into the high-stakes world of mobile app development and API security with Upwardly Mobile, your ultimate guide to defending apps in today’s volatile digital landscape. Hosted by Skye Macintyre and George McGregor, and proudly sponsored by Approov, the gold standard in mobile app attestation and API security. This podcast unpacks the evolving AI enabled threats and innovative solutions shaping mobile cybersecurity. Explore why built-in protection from Apple, Google, Samsung and Huawei often fall short, leaving sensitive data vulnerable. Learn how advanced techniques—like runtime attestation and dynamic API security—thwart attackers and secure your app ecosystem. Each episode delivers insights into major data breaches, emerging trends, and actionable strategies to fortify your apps and APIs against ever-advancing cyber threats. From development best practices to navigating compliance and regulation, Upwardly Mobile equips iOS, Android and HarmonyOS mobile developers, security professionals, and tech enthusiasts with the knowledge to safeguard their creations. Stay informed, stay secure, and stay ahead with expert guidance on the future of mobile cybersecurity. Subscribe now on Spotify and Apple Podcasts, and elevate your security game!
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Investing,
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Tech News
Episodes (20/106)
Upwardly Mobile - API & App Security News
How Aisura 'Turbo Mirai' Botnet Reshaped Mobile DDoS Warfare
The Multi-Terabit Battlefield: How Aisura 'Turbo Mirai' Botnet Reshaped Mobile DDoS Warfare

On November 18, 2025, a massive Cloudflare service interruption took down major platforms worldwide, including X, ChatGPT, Shopify, and various critical transit services. Given the intense, ongoing cyber conflict, initial speculation immediately pointed toward a successful, hyper-volumetric Distributed Denial-of-Service (DDoS) attack. Cloudflare has recently been at the forefront of blocking unprecedented assaults from notorious botnets, including Mirai and the newer, "TurboMirai-class" Aisuru botnet. The company successfully mitigated record-breaking Mirai-variant attacks measured at 5.6 Tbps (October 2024) and 7.3 Tbps (May 2025). Furthermore, the Aisuru botnet, which is responsible for hitting Microsoft Azure with a 15.72 Tbps DDoS attack, was also linked to a 22.2 Tbps attack mitigated by Cloudflare in September 2025. Aisuru operators were even caught attempting to manipulate Cloudflare’s public domain rankings using malicious query traffic. This track record provided a clear motive for a potential reprisal. However, Cloudflare’s official investigation quickly dispelled fears of a successful cyberattack. Cloudflare CTO Dane Knecht confirmed that the incident was not an attack, but rather an internal issue. The cause was identified as a "latent bug" in a service underpinning Cloudflare’s bot mitigation capability that started to crash following a routine configuration change. This technical flaw cascaded into a broad degradation across the network. Cloudflare CEO Matthew Prince later noted that this was the worst outage the company had experienced since 2019. This incident highlights that while automated security platforms like Cloudflare can defend against 20+ Tbps DDoS attacks, they remain vulnerable to complex internal technical flaws and configuration management errors. Keywords Cloudflare outage, DDoS, Aisuru Botnet, Mirai, Configuration error, Latent bug, Dane Knecht, November 2025, IoT security, Incident Response, Cyberattack, Network Security, Cloud Security.

Hashtags       #ConfigurationManagement #IncidentResponse #CloudSecurity #IoT Related Links & Sources To read more about the incident and the cyber threat landscape, please refer to the following:
  • Cloudflare Outage Not Caused by Cyberattack (SecurityWeek):
  • Microsoft: Azure hit by 15 Tbps DDoS attack using 500,000 IP addresses:
  • Cloudflare’s official report on the November 18, 2025 outage:
  • Discussion on the configuration file bug:
  • TurboMirai-Class ‘Aisuru’ Botnet Blamed for 20+ Tbps DDoS Attacks:
Sponsor Message Today’s episode is brought to you by Approov. In an era where botnets like Aisuru are exploiting every vulnerability, securing your APIs and endpoints is paramount. Approov provides essential mobile app and API protection, ensuring that only trusted, legitimate clients can connect to your back-end services, providing a crucial layer of defense against sophisticated automated attacks. Learn more about protecting your mobile infrastructure at approov.com.

This episode includes AI-generated content.
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3 days ago
10 minutes

Upwardly Mobile - API & App Security News
Black Friday's Hidden Threat: Stopping AI-Powered Fraud and Mobile Commerce Exploits
Black Friday's Hidden Threat: Stopping AI-Powered Fraud and Mobile Commerce Exploits

The biggest shopping days of the year—Black Friday and Cyber Monday—have also become the prime hunting grounds for cybercriminals, with global financial losses from attacks predicted to hit $10 billion in 2024. In this episode, we dive deep into the rising statistics shaping financial cybersecurity during the holiday shopping season, focusing on how sophisticated, AI-driven scams and mobile app vulnerabilities are creating a perfect storm for retailers and consumers alike. Episode Highlights: The State of Financial Cybercrime Cybercriminal activity spikes by 70% during Black Friday compared to regular shopping days. Statistics show that cyberattacks during this period were projected to rise by 20% in 2024, following a 15% increase in 2023. Key Threats and Data:
  • The Rise of Fake Shops: Scammers are evolving at an unprecedented pace, using AI to generate persuasive copy and fully functional storefront templates that mimic legitimate communication flawlessly. A recent analysis found a 250% jump in fake Black Friday shops leading up to the sales weekend.
  • Targeting E-commerce: E-commerce platforms experience a 65% surge in phishing attacks. Phishing scams remain the most common threat, accounting for 42% of attacks on financial transactions during the 2023 holiday shopping period.
  • Prevalent Fraud Types: Financial institutions report detecting 30% more fraudulent transactions during Cyber Monday. Card-not-present fraud was the leading method used by cybercriminals in 2023, accounting for over 75% of online fraud cases. Credential stuffing incidents surged by 80% during Cyber Monday in 2023, affecting over 40 million accounts globally.
  • The Cost: Financial fraud cases during holiday shopping periods account for nearly $8.5 billion annually. Small and medium-sized businesses (SMBs) are highly vulnerable, reporting an average loss of $120,000 per cyberattack.
The Mobile Frontline: While many focus on suspicious websites, the true cybersecurity frontline for e-commerce is increasingly within mobile apps. Attacks on mobile apps used for shopping increased by 50% in 2023, often involving malicious app clones. Attackers exploit vulnerabilities like Man-in-the-middle (MitM) attacks intercepting API traffic and extracting API keys reverse-engineered from app binaries. Standard defenses like TLS encryption and certificate pinning offer necessary but incomplete protection. Industry Response: Financial institutions are bolstering security by integrating biometric authentication into 50% of mobile banking apps, adopting real-time transaction monitoring (reducing fraud by 40%), and using tokenization technology in 65% of online transactions. Furthermore, Zero Trust architecture is gaining traction, with 55% of organizations adopting it to secure financial systems. Sponsor Spotlight This episode is brought to you by Approov, the mobile security platform addressing vulnerabilities where they start: the mobile API. Approov provides a pragmatic defense-in-depth approach by ensuring that only genuine, unmodified apps connect to your backend. Approov neutralizes Black Friday exploits by using dynamic attestation to verify app integrity, and protects against API key theft by delivering short-lived, attested tokens at runtime, preventing API keys from residing within the app binary. Protect your mobile commerce from sophisticated fraud. Learn more about Approov's Mobile API Protection:
  • approov.com
Relevant Source Links For more information and detailed statistics referenced in this summary:
  • Financial Cybersecurity Statistics for Black Friday and Cyber Monday 2025 (via CoinLaw): [Link to CoinLaw Article]
  • Online scams skyrocket before Black Friday – NordVPN warns what shoppers should watch out for...
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6 days ago
12 minutes

Upwardly Mobile - API & App Security News
X Joins App Fairness Coalition to Combat Monopolies
In this pivotal episode of Upwardly Mobile, we dive into the significance of X (formerly known as Twitter) joining the Coalition for App Fairness (CAF). This move signals growing momentum in the global effort to reform the mobile app ecosystem, currently dominated by Apple and Google, whose practices are alleged to harm consumers and developers alike. We examine X's commitment to dismantling monopolistic practices and fostering a digital future where competition thrives and innovation is rewarded. Furthermore, we discuss the context of this fight, including the recent U.S. Department of Justice (DOJ) antitrust complaint filed against Apple. CAF asserts that Apple’s alleged illegal conduct—including abusing App Store guidelines to increase prices and choke off competition—must be addressed, urging Congress to pass legislation like the Open App Markets Act. Tune in to understand how companies are pushing back against the "shackles on developers" to create a level playing field for the more than 80 members of this independent nonprofit organization. Discussion Points
  • Dismantling Monopolies: X’s Head of Global Government Affairs stated that joining CAF is a testament to their commitment to dismantling monopolistic practices and building a mobile ecosystem that truly serves its users and fosters growth.
  • The Problem with Gatekeepers: The current mobile app ecosystem is dominated by Apple and Google, who use their power to harm developers and users through excessive costs and restrictions on innovation. Global Policy Counsel for CAF noted that businesses on platforms like X are harmed by these anticompetitive app store practices.
  • The Antitrust Fight: The DOJ, along with 16 attorneys general, filed an antitrust complaint against Apple, accusing the company of illegally monopolizing smartphone markets. CAF supports this strong stand against Apple’s "stranglehold over the mobile app ecosystem".
  • The Path Forward: CAF advocates for legislation, like the Open App Markets Act, to create a free and open mobile app marketplace and put an end to the anticompetitive practices of all mobile app gatekeepers.
  • About CAF: The Coalition for App Fairness is an independent nonprofit organization focused on protecting consumer choice, fostering competition, and creating a level playing field for app and game developers globally.
Approov Sponsored Segment:  The increasing regulatory and commercial pressures are weakening app store monopolies. As the mobile ecosystem decentralizes, the need for robust, independent security is crucial. Our sponsor, Approov, provides strong, app-centric security solutions that operate independently of basic app store protections. Approov helps mobile app developers reduce security dependencies on app stores by delivering runtime protection and attestation for mobile apps and their APIs, shielding against tampering and unauthorized access. Approov’s approach decentralizes security, ensuring developers are not limited by the basic security checks provided by Apple, Google, or any third-party app store (especially relevant as regulations like the EU DMA take effect). Key security features include:
  • Dynamic Certificate Pinning: Secures connections against man-in-the-middle attacks and allows instant over-the-air (OTA) updates without requiring republishing through app stores.
  • Just-in-Time Secrets Management: API keys...
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1 week ago
8 minutes

Upwardly Mobile - API & App Security News
Standing Up to Extortion: Lessons from the Checkout.com Breach
Standing Up to Extortion: Lessons from the Checkout.com Breach and the Rise of Vishing Attacks Description

This week on Upwardly Mobile, we dive deep into the tactics of the prolific criminal group ShinyHunters and explore how global enterprises are responding to sophisticated cyber extortion attempts in 2025. We analyze two major security incidents that highlight critical vulnerabilities in legacy systems and modern OAuth ecosystems. The Extortion Dilemma: Checkout.com Stands Firm

We detail the incident where Checkout.com was contacted by ShinyHunters, who demanded a ransom after gaining unauthorized access to a legacy, third-party cloud file storage system. This system was used in 2020 and prior years for internal operational documents and merchant onboarding materials, affecting less than 25% of their current merchant base. Critically, the threat actors did not access merchant funds or card numbers, and the live payment processing platform was not impacted. Checkout.com publicly stated they would not be extorted and refused to pay the ransom. Instead, they are turning this attack into an investment for the entire security industry by donating the ransom amount to Carnegie Mellon University and the University of Oxford Cyber Security Center to fund cybercrime research. The company accepted full responsibility for the legacy system not being properly decommissioned. The 2025 OAuth and Vishing Wave The episode also examines ShinyHunters' 2025 campaign targeting mobile and web-based enterprise applications, particularly those connected to Salesforce and integrated platforms like Salesloft and Drift. These attacks were characterized by sophisticated social engineering and voice phishing ("vishing"), where attackers impersonated IT staff (sometimes using AI-generated voices) to persuade employees to authorize malicious versions of Salesforce tools via mobile or web apps. By exploiting OAuth tokens, ShinyHunters compromised sensitive internal APIs and data from high-profile victims, including Google, Cloudflare, Qantas, Allianz Life, and Adidas. Analysts noted that these techniques bypassed technical controls by abusing human trust, enabling the theft of over 1.5 billion Salesforce records from approximately 760 organizations. These incidents underscore that modern mobile application security is deeply dependent on robust cloud and OAuth ecosystem safeguards. Sponsor This episode of Upwardly Mobile is brought to you by approov.io, helping protect your mobile API access and application endpoints from sophisticated attacks like those utilizing stolen OAuth tokens.

Sponsor Link: approov.io

Keywords: ShinyHunters, Cyber Extortion, Ransomware, Legacy System Vulnerability, OAuth Exploitation, Vishing, Voice Phishing, Salesforce Security, Checkout.com, Cybercrime Research, Cloud Security, Supply Chain Attack, Mobile Application Security, Digital Economy Security, Data Breach.

Relevant Source Materials and Links

Checkout.com’s official statement on the incident concerning a legacy system and their decision not to pay the ransom, authored by Mariano Albera.

ShinyHunters Salesforce Cyberattacks via Vishing and OAuth Exploitation
  • The Hackernews: Why the ShinyHunters Data Breach vs. SaaS highlights vulnerabilities
  • TrueSec: Cyber extortion group ShinyHunters targets Salesforce...
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1 week ago
9 minutes

Upwardly Mobile - API & App Security News
The Edge Advantage: Why Cloudflare and Approov Outpace Zscaler in API Security?
Remote Attestation vs. RASP: Securing Mobile APIs at the Edge (Zscaler vs. Approov/Cloudflare) On this episode of Upwardly Mobile, we dive deep into the most critical architectural debate in mobile API security today: Does security enforcement belong on the client device (RASP) or off-device at the network edge (Remote Attestation)? We break down the philosophical and technical differences between the integrated Zscaler ZSDK approach, which bundles Runtime Application Self-Protection (RASP), and the specialized, edge-native partnership between Approov and Cloudflare. Discover why security experts argue that because the attacker ultimately controls the client environment, remote attestation is superior for defense against sophisticated, targeted attacks. Episode Highlights & Key Concepts The Philosophical Divide: RASP vs. Remote Attestation The core of the debate centers on where security decision logic is insulated.
  • RASP (Runtime Application Self-Protection): This approach implements security logic within the application code to detect threats locally during runtime, often used for real-time overlay fraud, app tampering, and emulator abuse detection.
    • The Risk: Any locally enforced logic provides a target for advanced adversaries. Attackers can potentially reverse-engineer RASP checks and bypass local controls to execute API requests from a tampered application instance.
  • Remote Attestation (Approov/Cloudflare): This specialized approach verifies that only a genuine, untampered app can access APIs, protecting backend systems from unauthorized or rogue applications.
    • Superior Resilience: Approov’s architecture minimizes local enforcement, ensuring attestation decisions are made entirely in the cloud service. This insulates the enforcement logic on the backend, offering superior resilience against sophisticated, targeted attacks.
    • Zero Feedback Loop: A key security advantage is that the attacker receives no feedback from the client on why the token validation failed at the edge, significantly raising the cost and complexity of a successful attack bypass.
Architectural and Operational Advantages The comparison between the integrated Zscaler Zero Trust Exchange (ZTNA/SSE) model and the Approov/Cloudflare Edge-First (WAAP) model highlights major differences in deployment, performance, and operational cost.
  1. Enforcement Location and TCO: The Approov/Cloudflare model focuses enforcement entirely at the Cloudflare edge using serverless functions (Workers or API Shield). This is described as a zero-operations deployment model that removes the need for customer-managed infrastructure components like Zscaler’s required App Connectors. The serverless model accelerates time-to-value and minimizes maintenance overhead.
  2. API Key Protection: Approov provides a critical security layer by leveraging attestation guarantees to securely deliver secrets, such as API keys, just-in-time to the application only when the environment is verified as genuine and unmodified. This capability directly mitigates the risks associated with reverse engineering hard-coded keys.
  3. Performance and Scale: The Cloudflare/Approov integration leverages Cloudflare’s global, high-performance network. Comparative tests show Cloudflare is significantly faster than Zscaler in various Zero Trust scenarios, a crucial factor for a smooth user experience and ensuring users don't bypass security controls. Furthermore, Approov offers a commercial attestation fabric built for scale, guaranteeing no quotas or throttling on attestation traffic for high-volume apps.
  4. API Governance: Cloudflare API Shield enhances protection with rigorous positive security via OpenAPI schema validation at the edge. This preemptively guards against modern API security risks like Broken Object Level Authorization (BOLA) by ensuring that only traffic conforming to the documented API structure is...
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3 weeks ago
11 minutes

Upwardly Mobile - API & App Security News
App Store Revolution: Google Play Opens to Third-Party Payments (The Epic Games Aftermath)
Upwardly Mobile: Episode Notes Episode Title: App Store Revolution: Google Play Opens to Third-Party Payments (The Epic Games Aftermath) Summary: In this episode of Upwardly Mobile, we break down the monumental shift in the Android ecosystem following the Supreme Court’s refusal to hear Google's final appeal. Google has finally opened its Google Play app store to third-party payment options for U.S. developers, settling a multi-year legal battle initiated by Epic Games. We discuss what this means for developers seeking to maximize revenue, the new freedom to direct users to cheaper external payment options, and the resulting challenges in maintaining app integrity and security now that developers are operating outside Google Play Billing exclusivity. Plus, we explore crucial security solutions, like Approov, that can help developers protect their apps when relying less on Google Mobile Services (GMS) for integrity checks. Key Takeaways
  • Policy Shift: Following years of legal challenges, Google is now required to allow U.S. app developers to use alternative payment methods and link users directly to external payment sources. This means developers can process payments outside of Google’s ecosystem and inform users about alternative pricing.
  • End of Exclusivity: Previously, Google generally mandated the use of Google Play Billing and collected a commission on nearly every in-app purchase. Now, developers can provide direct links to external checkout pages and offer options like PayPal or their own payment systems.
  • Timeline and Scope: This change became effective immediately as of October 29, 2025. However, the new rules currently apply only in the U.S. and the District Court order is set to expire on November 1, 2027.
  • Security Challenges: While developers gain freedom and potential revenue maximization by avoiding Play Store commissions, distributing and processing payments externally requires implementing their own robust security, update, and analytics systems, as Play services like integrity verification may not be available.
  • App Attestation Alternative: For developers building non-GMS Android apps or those seeking customizable security outside of Google’s structure, Approov provides a solution. Approov is a runtime application self-protection (RASP) tool that offers app attestation—verifying the integrity and authenticity of an app and the device it runs on—without relying on Google PlayIntegrity or SafetyNet.
Sponsored by Approov Protect your app and APIs regardless of your payment processing choices. Approov offers comprehensive runtime application self-protection (RASP) and serves as a reliable, GMS-independent alternative to Google PlayIntegrity for robust app attestation and real-time threat detection. Learn more or start a free trial today: approov.io Relevant Links & Resources
  • Google Opens App Store to Third-Party Payment Systems (PaymentsJournal): https://www.paymentsjournal.com/google-opens-app-store-to-third-party-payment-systems/
  • Google Play now allows Android apps to use other billing systems in the US (9to5Google): https://9to5google.com/2025/10/30/google-play-now-allows-android-apps-to-use-other-billing-systems-in-the-us/
  • How Organizations Can Chart the Course to Agentic Commerce (Must Read): [Relevant link to PaymentsJournal content on commerce] (October 31, 2025)
Keywords Google Play, third-party payments, Epic Games, app store, commission, app security, app attestation, Approov, U.S. court ruling, Google Play...
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3 weeks ago
10 minutes

Upwardly Mobile - API & App Security News
NPM Nightmare: & Cloudflare AI That Secured End Users From 2 Billion Weekly Malicious Downloads
The Billion-Download Backdoor: Defending Client-Side Supply Chains Against Crypto-Draining NPM Attacks
--------------------------------------------------------------------------------

Episode Notes
In early September 2025, the open-source software ecosystem faced a massive supply chain attack when attackers compromised trusted maintainer accounts on npm using targeted phishing emails. This security breach led to the injection of malicious code into 18 widely used npm packages—such as chalk, debug, and ansi-styles—which together account for more than 2 billion downloads per week.
This episode dives into the mechanics of the attack, the threat posed by the complex malware deployed, and the role of advanced AI-powered defenses in preventing client-side disaster.

Key Takeaways
The Threat Landscape The attackers' primary goal was crypto-stealing or wallet draining. The compromised packages contained obfuscated JavaScript, which, when included in end-user applications (including web projects and mobile apps built with frameworks like React Native or Ionic), was activated at the browser level. This malware would intercept network traffic and API requests, ultimately swapping legitimate cryptocurrency addresses (including Bitcoin, Ethereum, and Solana) with the attackers' wallets. The attack leveraged the human factor, as maintainers were tricked by phishing emails urging them to update two-factor authentication credentials via a fake domain, npmjs[.]help.
The Evolution of Malware: Shai-Hulud Beyond crypto-hijacking, researchers detected a complex self-replicating worm dubbed Shai-Hulud. This advanced payload targets development and CI/CD environments:
• Autonomous Propagation: Shai-Hulud uses existing trust relationships to automatically infect additional NPM packages and projects.
• Credential Theft: Using stolen GitHub access tokens, the worm lists and clones private repositories to attacker-controlled accounts.
• Secret Harvesting: It downloads and utilizes the secret-scanning tool TruffleHog to harvest secrets, keys, and high-entropy strings from the compromised environment.
• Malicious Workflows: Shai-Hulud establishes persistence by injecting malicious GitHub Actions workflows into repositories, enabling automated secret exfiltration.
Automated Defense with AI Security Cloudflare’s client-side security offering, Page Shield, proved critical in mitigating this threat. Page Shield assesses 3.5 billion scripts per day (40,000 scripts per second) using machine learning (ML) based malicious script detection.
• Page Shield utilizes a message-passing graph convolutional network (MPGCN). This graph-based model learns hacker patterns purely from the structure (e.g., function calling) and syntax of the code, making it resilient against advanced techniques like code obfuscation used in the npm compromise.
• Cloudflare verified that Page Shield would have successfully detected all 18 compromised npm packages as malicious, despite the attack being novel and not present in the initial training data.
• While patches were released quickly (in 2 hours or less), Page Shield was already equipped to detect and block this threat, helping users "dodge the proverbial bullet".
Security Recommendations
To protect against fast-moving supply chain attacks, organizations must maintain vigilance and implement automated defenses:
1. Audit Dependencies: Review your dependency tree, checking for versions published around early–mid September 2025. Developers should pin dependencies to known-good versions.
2. Rotate Credentials: Immediately revoke and reissue any exposed CI/CD tokens, cloud credentials, or service keys that might have been used in the build pipeline.
3. Enforce...
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4 weeks ago
15 minutes

Upwardly Mobile - API & App Security News
The Unseen Storm: Securing APIs and Protecting Against Key Exposure
The Unseen Storm: Securing APIs and Protecting Against Key Exposure

This week on Upwardly Mobile, we delve into the hidden dangers lurking within seemingly simple applications and the advanced solutions required to close the modern mobile security trust gap. We analyze a case study involving a basic weather application to illustrate how common development mistakes—like exposing sensitive API keys and neglecting input validation—create catastrophic security vulnerabilities, potentially leading to data breaches, financial loss, and system compromise. The Problem: Client-Side Secrets and Architectural Flaws The proliferation of web applications consuming public APIs has vastly expanded the attack surface. Developers often treat the client environment as trusted, leading to critical architectural failures. We discuss how exposed API keys embedded in client-side JavaScript are considered "low-hanging fruit" for attackers.

Key Takeaways from the Security Analysis:
  • Reconnaissance and Exploitation: Attackers can use tools like curl and grep with regular expressions to scan target URLs for hardcoded API key patterns. Once obtained, keys can be used for unauthorized calls, potentially exceeding quotas and incurring costs.
  • Interception: Tools like Burp Suite enable attackers to intercept and modify API traffic, revealing the exact structure of API calls, including the API key and parameters.
  • Injection Attacks: Poor input sanitization on server-side search functionalities is a primary attack vector. We examine verified command snippets used to test for command injection (e.g., appending cat /etc/passwd) and NoSQL Injection (e.g., using MongoDB operator syntax).
  • Lateral Movement: An exposed API key is often just the beginning. If the key has excessive permissions, it can allow an attacker to enumerate IAM policies, check for sensitive S3 buckets, and even create persistent administrative users, leading to a full cloud account takeover.
Defensive Fundamentals for Developers: To combat these threats, security must be shifted left—integrated into the earliest stages of development. We review critical defensive measures:
  1. Environment Variable Security: API keys must never be exposed to the client; they should reside in secure server-side environment variables. The client should request data from your secure server endpoint, which then internally fetches the data from the third-party API using the hidden key.
  2. Rate Limiting: To protect backend APIs from abuse and "Denial-of-Wage" attacks (attacks that incur cost), rate limiting middleware (like express-rate-limit) is essential. This blocks automated scripts by limiting each IP to a set number of requests within a time window.
  3. Cloud Hardening: Security extends to infrastructure. Developers must audit cloud resources, checking S3 bucket policies for leaks and ensuring EC2 security groups only allow necessary web traffic (ports 80 and 443).
Closing the Mobile API Security Trust Gap with Positive Authentication While these fundamentals are crucial, mobile app security introduces unique challenges, creating a concerning "trust gap". Traditional security measures like TLS, mutual TLS, embedded API keys, and signature-based approaches are often insufficient, as they are vulnerable to reverse engineering, MitM attacks, and spoofing. We discuss Approov, a solution designed for the mobile world that uses a positive trust model to authenticate the app instance itself, rather than just the user or the connection.
  • App Attestation: Approov uses a challenge-response cryptographic protocol to dynamically measure the integrity of the runtime app image.
  • Tokens (JWT): Only genuine, untampered apps are granted a short-lived JSON Web Token (JWT). Requests without a valid token are immediately...
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1 month ago
14 minutes

Upwardly Mobile - API & App Security News
UK Competition and Markets Authority (CMA) designate Apple and Google with Strategic Market Status
UK CMA Declares Apple & Google Have Strategic Market Status (SMS): The Future of Mobile Competition and Security

In this pivotal episode of "Upwardly Mobile," we break down the monumental decision by the UK Competition and Markets Authority (CMA) to officially designate Apple and Google with Strategic Market Status (SMS) in their respective mobile platforms. This move is set to reshape digital markets across the UK and has massive implications for app developers, businesses, and mobile security worldwide. Key Takeaways from the CMA's Decision (Published 22 October 2025): The CMA launched its investigations in January 2025 under the Digital Markets, Competition and Consumers Act 2024 (DMCCA), aiming to address the "unprecedented market power" held by a few large digital firms.
  • SMS Designation Confirmed: Following consultation with over 150 stakeholders, the CMA confirmed that both Apple and Google meet the legal tests for having Substantial and Entrenched Market Power (SEMP) and a Position of Strategic Significance (POSS) in their mobile platforms.
  • Scope of Mobile Platforms: The designation applies to the holistic Mobile Platform provided by each company, grouping together highly interconnected digital activities:
    • Apple: Smartphone Operating System (iOS), Tablet Operating System (iPadOS), Native App Distribution (App Store), and Mobile Browser and Browser Engine (Safari and WebKit).
    • Google: Mobile Operating System (Android), Native App Distribution (Play Store), and Mobile Browser and Browser Engine (Chrome and Blink).
  • Market Dominance: CMA findings confirmed that almost all UK mobile device holders use either Apple or Google's platform. Users are unlikely to switch between them, reinforcing their dominance. Furthermore, to reach both user bases, businesses must distribute their content through both platforms, effectively making them "must-have" channels.
  • Market Entrenchment: The CMA concluded that competitive constraints are currently limited. Despite the rapid deployment of technologies like Artificial Intelligence (AI), these developments are deemed unlikely to eliminate Apple or Google’s market power over the five-year designation period.
  • Economic Impact: The designation acknowledges the crucial role of these platforms, noting that the UK app economy generates an estimated 1.5% of the UK’s GDP and supports about 400,000 jobs, encompassing sectors like FinTech and mobile gaming.
What Happens Next? The SMS designation itself is not a finding of wrongdoing and does not introduce immediate new requirements. However, it acts as the gateway for the CMA to introduce targeted and proportionate interventions, such as Conduct Requirements or Pro-Competition Interventions, designed to ensure open choices, fair dealing, and trust and transparency within these vital digital activities. This action mirrors regulatory efforts globally, including the EU’s Digital Markets Act (DMA) and legal actions in the US and Japan. 🎧 Sponsored by Approov We are entering a "pivotal era for mobile technology" where regulatory interventions like the CMA’s SMS designation and the EU's DMA are weakening the centralized control over app distribution held by Apple and Google. This shift "opens the floodgates for alternative app stores, sideloading, and direct-to-consumer models". As mobile security risks move beyond platform constraints, secure your applications and APIs with a truly cross-platform, developer-centric solution. Visit approov.io for more information on how to implement modern app and API protection. 🔗 Useful Links & Resources
  • CMA Final Decision on Apple’s Mobile Platform (22 October 2025): [www.gov.uk/cma]
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1 month ago
12 minutes

Upwardly Mobile - API & App Security News
F5's Zero-Day Roadmap and the Unacceptable Risk to Mobile Apps & APIs
API Security Under Fire: F5's Zero-Day Roadmap and the Unacceptable Risk to Mobile Apps

The F5 BIG-IP Breach and What It Means for Developers This week on Upwardly Mobile, we dive into the fallout from the catastrophic security breach at F5 Networks, where a sophisticated nation-state adversary compromised the integrity of the critical BIG-IP product line. We discuss why this incident poses an imminent and unacceptable risk to organizations—especially mobile app developers who rely on F5 devices for critical API security infrastructure like load balancing and firewalling. The Compromise: Source Code, Credentials, and Zero-Day Roadmaps The threat actor maintained long-term, persistent access to F5’s internal systems, specifically the BIG-IP product development environment and engineering knowledge platforms. This sophisticated attack led to the theft of crucial materials:
  • Proprietary Source Code: Portions of the proprietary source code for the flagship BIG-IP product line were exfiltrated. While F5 confirmed the actor did not inject malicious code, possessing the source code allows adversaries to analyze it for vulnerabilities or backdoor opportunities.
  • Vulnerability Roadmap: Attackers gained access to internal documentation detailing undisclosed (zero-day) vulnerabilities that F5 engineers were investigating or fixing. This provides the adversaries with a virtual roadmap, enabling them to rapidly develop exploits for unpatched flaws.
  • Customer Configuration Data: A small portion of customer-specific data was stolen, including network topologies, device configurations, or deployment details. For developers managing mobile APIs, this stolen information increases the risk that sensitive credentials can be abused and attackers can target specific deployment setups.
Urgent Action Required: The CISA Emergency Directive The severity of the incident prompted the Cybersecurity and Infrastructure Security Agency (CISA) to issue an Emergency Directive for federal agencies, underscoring the potential for widespread exploitation. Developers and organizations using F5 devices must take immediate action:
  1. Patch Immediately: Install the latest security updates, particularly the Quarterly Security Notification F5 released simultaneously, which addressed 44 new vulnerabilities.
  2. Isolate Management Interfaces: Identify all F5 resources and critically, isolate management interfaces from the internet to prevent initial access and investigate any exposure.
  3. Adopt Zero Trust: Implement a zero trust architecture to reduce the attack surface and block lateral movement. Prioritize connecting users directly to applications, not the underlying network.
  4. Change Credentials: Change all default credentials immediately.
Sponsor Segment Securing mobile APIs from threats that target application logic and device integrity is paramount. To fortify your defenses against sophisticated adversaries like the one in the F5 breach, explore approov.io. Approov provides crucial mobile app and API protection by verifying the authenticity of mobile apps and ensuring only legitimate, untampered clients can access your APIs.

Relevant Links
  • F5 Security Advisory: 
  • CISA Emergency Directive: 
  • Sponsor Website: approov.io
Keywords: F5, BIG-IP, API Security, Mobile App Security, Zero-Day Vulnerability, Source Code Theft, Nation-State Hacking, CISA, Emergency Directive, Zero Trust, Load...
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1 month ago
12 minutes

Upwardly Mobile - API & App Security News
Corporate Extortion and the Fall of BreachForums: Tracking ShinyHunters
Corporate Extortion and the Fall of BreachForums: Tracking ShinyHunters

In this episode of "Upwardly Mobile," we dive into the world of high-stakes corporate extortion, focusing on the sophisticated cybercriminal group ShinyHunters (also tracked as UNC6040) and the subsequent takedown of their infamous platform, BreachForums. The sources detail how the FBI, in collaboration with French law enforcement authorities, seized the Breachforums.hn domain, which the Scattered Lapsus$ Hunters (a gang linked to ShinyHunters, Scattered Spider, and Lapsus$) were using as a data leak and extortion site. This action involved switching the domain’s nameservers to ns1.fbi.seized.gov and ns2.fbi.seized.gov. ShinyHunters confirmed the seizure, noting that law enforcement gained access to BreachForums database backups dating back to 2023 and escrow databases since the latest reboot, effectively declaring that "the era of forums is over". Despite the clearnet site takedown, the threat actors maintained that their Tor dark web site was still accessible and that the seizure would not affect their campaign. The Massive Salesforce Extortion Campaign The core focus of the Scattered Lapsus$ Hunters’ recent activity was an extensive Salesforce extortion campaign. This campaign originated in May 2025 when ShinyHunters launched a social engineering campaign using voice phishing to trick targets into connecting a malicious app to their organization’s Salesforce portal. The hackers claimed to have stolen more than one billion records containing customer information. The long list of affected companies included major corporations such as FedEx, Disney/Hulu, Home Depot, Marriott, Google, Cisco, Toyota, Gap, McDonald's, Walgreens, and Chanel. Salesforce has publicly stated that they will not engage, negotiate with, or pay any extortion demand. Beyond Salesforce: Discord and Red Hat The criminal group also claimed responsibility for other significant intrusions:
  • Red Hat Data Theft: The Scattered Lapsus$ Hunters took credit for compromising a Red Hat GitLab server, stealing more than 28,000 Git code repositories and sensitive internal documents, including customer secrets and infrastructure details.
  • Discord Breach: ShinyHunters claimed responsibility for an incident affecting Discord users. Discord confirmed that an unauthorized party compromised a third-party customer service provider (5CA), impacting a limited number of users who had contacted Customer Support or Trust & Safety teams. Critically, the unauthorized party gained access to a small number of government-ID images submitted for age verification appeals, as well as usernames, emails, limited billing info, and IP addresses.
Tactics and Targets The group employs sophisticated tactics, including exploiting zero-day vulnerabilities, such as a critical flaw in Oracle’s E-Business Suite software (CVE-2025-61882). Furthermore, members of the group have been known to distribute malware—specifically the commercially available ASYNCRAT backdoor—disguised as a Windows screensaver file (.scr) via menacing, targeted emails. This highlights the constant pressure faced by security professionals, often from threat actors derisively called "Advanced Persistent Teenagers" (APTs). Links & Resources
  • Law Enforcement Takedown: Nameservers used in the FBI seizure: ns1.fbi.seized.gov and ns2.fbi.seized.gov.
  • Publications Cited: Information confirmed by...
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1 month ago
10 minutes

Upwardly Mobile - API & App Security News
Next Generation Attestation to Secure Mobile Apps Against Threats from AI
Mobile is officially the digital default. In this episode of Upwardly Mobile, we explore the staggering statistics showing mobile devices dominating global internet usage and discuss the critical security challenges that arise from this mobile-first environment. We then delve into the cutting-edge solution offered by our sponsor, Approov, and their latest platform update, Approov 3.5, designed to secure brands against evolving threats, including AI-driven attacks and new regulatory pressures.
The Mobile Tipping Point: 64% and Rising
The mobile landscape is at an inflection point. As of 2025, over 64% of all website traffic comes from mobile devices. This dominance is driven by the fact that nearly 96.3% of internet users access the internet using a mobile phone.
• This shift is not just a trend; it is the new normal.
• Mobile traffic reached 64.1% in Q2 2025, marking eight consecutive quarters of growth.
• Developing regions are leading the surge, with Africa having the highest proportion of mobile internet traffic at 69.13%, and Asia seeing 72.3% of all web traffic coming from smartphones.
• The most common activities performed on smartphones include playing a game (68%), listening to music (67%), and using social media (63%).
The Security Gap in a Mobile-First World
The widespread adoption of mobile creates significant security vulnerabilities. Automated threats make it easier for bad actors to clone legitimate apps, steal data, and commit fraud, which can cause irreparable damage to a brand's reputation and financially devastate users. Furthermore, new security gaps are emerging due to regulations like the EU’s Digital Markets Act (DMA), which mandates support for third-party app stores, increasing the risk of fraudulent apps.
Approov 3.5: Protecting the Critical Connection
Approov, the leader in mobile API security, addresses these threats by acting as a digital gatekeeper. Approov protects the critical connection between a mobile app and a company's backend servers (APIs). It ensures that only genuine, untampered apps running in a secure environment can access sensitive services, blocking automated bots, modified apps, and cloned apps before they can compromise data.
The latest platform update, Approov 3.5, delivers next-generation attestation:
• Ready for the DMA and Open App Stores: Approov’s cloud-based verification ensures only genuine app instances—regardless of their distribution source—can access a company’s APIs.
• Hardware-Backed Security (Android): Cryptographic keys are stored in a secure, isolated “vault” on the device’s hardware, making cloning an app’s identity virtually impossible.
• Defense Against AI-Powered Attacks: The platform provides real-time threat analytics, allowing security teams to dynamically issue over-the-air (OTA) updates to block emerging AI threats without requiring an app update.
• Immutable App Signature: This feature creates a unique fingerprint upon installation, continuously verifying the app’s integrity against tampering or repackaging with malware.
• Memory Dump Detection: A new defense actively blocks attackers attempting to scrape sensitive information, such as AI secrets or user credentials, directly from the device’s memory.
Approov has proven that robust security can be achieved without compromising user experience, offering fast and responsive cross-platform security checks for iOS, Android, and HarmonyOS. By verifying API requests, Approov reduces API attacks by over 95%.
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1 month ago
11 minutes

Upwardly Mobile - API & App Security News
Big Tech's Gamble: Lawsuits Challenge Apple, Google, and Meta Over Social Casino Apps
In this episode of Upwardly Mobile, we dive into the significant legal challenges facing major technology companies—Apple, Google (Alphabet), and Meta Platforms—as they are forced to defend themselves against class action lawsuits alleging that they promoted and profited from illegal social casino gambling apps. A recent ruling by U.S. District Judge Edward Davila in San Jose, California, denied the companies' requests to dismiss the lawsuits. The plaintiffs, numbering in the dozens, contend that the companies' platforms—Apple’s App Store, Google’s Play Store, and Meta’s Facebook—promoted an “authentic Vegas-style experience of slot machine gambling” through an allegedly illegal racketeering conspiracy. Key Takeaways from the Litigation:
  • The Liability Claim: The core claim is that the defendants "willingly assist, promote and profit from" allegedly illegal gambling. This is achieved by:
    • Offering users access to the apps through their stores.
    • Taking a substantial percentage of consumer purchases (estimated at 30% commission, totaling over $2 billion) on in-app transactions for items like Game Coins and Sweeps Coins.
    • Processing these allegedly illicit transactions using proprietary payment systems.
    • Using targeted advertising to "shepherd the most vulnerable customers" to the casino apps.
  • The Section 230 Defense Rejected: Apple, Google, and Meta argued that Section 230 of the federal Communications Decency Act protected them from liability because this law shields online platforms from lawsuits over third-party content. Judge Davila rejected this argument, finding that the companies did not act as "publishers" when processing payments. The judge emphasized that the "crux of plaintiffs’ theory is that defendants improperly processed payments for social casino apps".
  • "Neutral Tools" Argument Undercut: The court called it irrelevant that the companies provided "neutral tools" (like payment processing) to support the apps.
  • Damages Sought: The lawsuits seek unspecified compensatory and triple damages, among other remedies.
  • Appeals and Case History: Judge Davila allowed the defendants to immediately appeal his decision to the 9th U.S. Circuit Court of Appeals, acknowledging the importance of the Section 230 issues. The litigation against the Silicon Valley-based companies began in 2021.
  • Additional Suits: Separately, a new lawsuit was filed against Apple and Google by lead Plaintiff Bargo (not naming the social casino operators), alleging the distribution of "patently illegal gambling software" in New Jersey and New York. This complaint includes legal claims under NJ and NY gambling loss recovery statutes, consumer protection laws, and RICO laws.
Sponsor Message: This episode of Upwardly Mobile is brought to you by our sponsor. Learn how to secure your mobile app business today. Visit approov.io. Relevant Source Materials & Case Information:
  • Article Reference (Legal Analysis): Excerpts from "Apple and Google Hit with New Social Casino Gambling Lawsuit," National Law Review (October 02, 2025). (Article written by James G. Gatto of Sheppard, Mullin, Richter & Hampton LLP).
  • Article Reference (News): "Apple, Google, Meta must face lawsuits over gambling apps," Honolulu Star-Advertiser (Oct. 1, 2025).
  • Article Reference (Judicial Denial): "Judicial Denial for Tech Giants in Casino App Lawsuits" (Sept 30).
  • Amicus Brief Reference: In re: Casino-Style Games Litigation (Nos. 22-16914, 22-16916, 22-16888, 22-16889, 22-16921, 22-16923) U.S. Court of Appeals for the Ninth Circuit.
  • District Court Case Reference (Northern District of California): In re Apple Inc App Store Simulated Casino-Style Games Litigation, No. 21-md-02985; In re Google Play Store Simulated Casino-Style Games Litigation, No. 21-md-03001; and In re...
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1 month ago
10 minutes

Upwardly Mobile - API & App Security News
How Misconfigured Firebase Servers Exposed User Credentials and Private Data?
In this critical episode of Upwardly Mobile, we delve into the alarming cybersecurity incident involving massive data exposure stemming from misconfigured Firebase servers. Cybersecurity researchers uncovered a breach that exposed the sensitive information and plaintext passwords of over 1.8 million users. This wasn't the result of sophisticated hacking, but rather "basic negligence" and developers failing to implement standard security settings.
We discuss why Firebase, Google's popular backend-as-a-service (BaaS) for mobile apps
, has become a liability risk when developers neglect configuration best practices.
What was exposed and the devastating scope of the leak:
The scope of this data leak is massive, involving publicly accessible Firebase real-time databases used by more than 900 mobile applications, predominantly Android-based
. These affected apps spanned categories including health, fitness, education, and finance.
The highly sensitive user data exposed included:
• Plaintext passwords (unencrypted)
• Usernames, email addresses, and phone numbers
• Billing information
• High-privilege API tokens, AWS root access tokens, and private chat logs
• Millions of user ID photos
.
The Failure of Security as an Afterthought:
Experts warn that storing plaintext passwords on open cloud databases in 2025 is "reckless"
. The breach occurred because developers failed to secure their Firebase instances, often by extending insecure "test-mode" configurations or inadvertently leaving production environments vulnerable. Responsibility for this preventable disaster lies with both the developers and Firebase itself, for allowing insecure default settings.We also explore the technical mechanism behind these breaches: Automated scanning tools (like OpenFirebase) are actively exploiting this vulnerability by parsing Android Package Kit (APK) files to extract Firebase project IDs, API keys, and subsequently probing service URLs for unauthenticated access.
This incident serves as a strong wake-up call for the tech industry, emphasizing the critical need for mandatory security training and treating security as a core function of software development—not an afterthought.
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🛡️ Sponsor: Approov
Protect your mobile APIs and prevent automated attacks that exploit hardcoded secrets and misconfigurations. Secure your apps from the client-side up.
Learn more and protect your platform at https://approov.io.
--------------------------------------------------------------------------------
Source Materials & Links
• Article 1: "Massive data leak exposes passwords of 1.8 million users through misconfigured Firebase servers," ZENDATA (May 25, 2025).
• Article 2: "Numerous Applications Using Google's Firebase Platform Leaking Highly Sensitive Data," Cyber Security News (September 25, 2025).
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Keywords: Data Leak, Firebase Security, Plaintext Passwords, Cybersecurity, Mobile App Security, Google Firebase, Cloud Misconfiguration, Data Breach, Developer Negligence, API Security, Android Security, BaaS, App Development.
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1 month ago
10 minutes

Upwardly Mobile - API & App Security News
Neon's Data Disaster: How a Viral AI App Exposed 75,000 Users and Went Dark
Neon's Data Disaster: How a Viral AI App Exposed 75,000 Users and Went Dark
In this urgent episode of Upwardly Mobile, we break down the spectacular rise and immediate fall of the highly controversial mobile application, Neon. The app, which recently topped the charts and went viral on platforms like TikTok, promised users payment in exchange for recording their phone calls. These recordings were then sold to AI companies for training. However, less than 24 hours after gaining widespread attention, a significant security flaw was discovered. According to reports from TechCrunch, this flaw allowed public access to extremely sensitive user data. The Security Catastrophe The call-recording app had rapidly climbed the App Store ranks, reporting 75,000 downloads in a single day. Despite its rapid growth, Neon was forced offline after the security issue was discovered by TechCrunch. The flaw was so severe that it allowed anyone utilizing a network analysis tool to access private information belonging to other users. Exposed data included:
  • Users' phone numbers.
  • Call recordings and accessible URLs to the raw audio files.
  • Text transcripts of the recorded calls.
  • Detailed metadata connected to the calls, including the phone number of the person called, the time and duration of the call, and the amount earned from the call.
The Company Response Following the discovery, Neon founder Alex Kiam sent an email to customers notifying them of the app's temporary shutdown. Kiam stated that they were taking the app down to "add extra layers of security" because "Your data privacy is our number one priority". However, it is crucial to note that the email failed to warn users about the specific security issue or that their phone numbers, call recordings, and transcripts had been exposed. TechCrunch noted that although the app's servers were taken down, rendering the app useless, it remained available in the App Store. If Neon does make a comeback, it will certainly receive increased scrutiny regarding its security protocols. Secure Your Mobile Infrastructure with Our Sponsor In a world where mobile app security flaws can rapidly expose millions of data points, protecting your back-end servers and APIs is non-negotiable. Our episode today highlights the critical importance of mobile app protection from the get-go. Learn how to implement proactive mobile security measures. Visit: approov.io Relevant Source Materials & Further Reading
  • Excerpts from "Neon, the viral app that pays users to record calls, goes offline after exposing data | Mashable"
  • Excerpts from "Viral call-recording app Neon goes dark after exposing users' phone numbers, call recordings, and transcripts | TechCrunch"
Keywords: Neon app security flaw, AI training data, call recording app, data privacy, cybersecurity, mobile app data exposure, Alex Kiam, App Store security, TechCrunch exclusive, data breach, viral app failure, mobile security. 
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2 months ago
12 minutes

Upwardly Mobile - API & App Security News
Google's Legal Gauntlet: Antitrust Battles and the Future of the App Ecosystem
Google's Legal Gauntlet: Antitrust Battles and the Future of the App Ecosystem 

This week on Upwardly Mobile, we dissect the flurry of major legal decisions facing Google in September 2025, from its desperate plea to the Supreme Court to halt the Epic Games injunction to the final ruling in the federal search monopoly case. We explore the massive shifts coming to the Android app ecosystem and Google's mandated business practice changes. Episode Notes September 2025: A Critical Month for Google's Antitrust Defense Google is challenging two massive antitrust rulings simultaneously, initiating what the sources describe as its "last hope" to maintain control over core business functions. Part 1: The Epic Games Showdown at the Supreme Court Google has asked the U.S. Supreme Court to intervene and pause the injunction it received following a major legal loss to Epic Games in October 2024. The company is seeking a decision on the stay by October 17, just days before the injunction is scheduled to take effect around October 20 or 22. The injunction, upheld by the Ninth Circuit Court of Appeals, requires Google to make several fundamental changes to the Google Play Store and the Android app ecosystem:
  1. Open the Play Store: Google must allow users to download and use third-party app stores for a period of three years.
  2. External Billing: Google is no longer allowed to force developers to use its billing system; developers must be allowed to include external links in apps, enabling users to bypass Google’s billing system.
  3. End Pre-Install Deals: Google can no longer make deals around pre-installing the Play Store on phones.
Google argues that this "unprecedented antitrust injunction" will "[create] enormous security and safety risks" by allowing the proliferation of stores that stock "malicious, deceptive or pirated content". Furthermore, Google claims the injunction burdens developers with constantly monitoring numerous stores and makes it substantially easier for developers to avoid compensating Google for services. Epic Games strongly disagrees, stating that Google continues to rely on "flawed security claims" rejected by the jury and the Ninth Circuit. Epic maintains that the injunction should go into effect so consumers and developers can benefit from competition, choices, and lower prices. Part 2: The Search Monopoly Ruling In a separate, long-running federal monopoly case, U.S. District Judge Amit Mehta ruled on remedies following his earlier decision that Google had acted illegally to maintain a monopoly in internet search. Key aspects of Judge Mehta's September 2025 ruling include:
  • No Divestiture of Chrome/Android: The judge denied the Department of Justice's proposal to force Google to sell its Chrome browser or divest the Android operating system, ruling that the government had "overreached".
  • End Exclusive Deals: Google is no longer permitted to strike exclusive deals around the distribution of search, Google Assistant, Gemini, or Chrome. For example, Google cannot require device makers to pre-load its apps in order to gain access to the Play Store.
  • Data Sharing: Google must share some of its search data with competitors going forward to narrow the "scale gap" created by exclusive distribution agreements. (Google is not required to share data related to its ads).
Google called the decision "largely a win" but expressed concerns about the requirements to share Search data and the new limits imposed on how Google distributes its services.

🛡️ Sponsored by Approov

As discussions around third-party app stores and sideloading intensify due to the Epic v. Google injunction, the need for robust mobile app security is paramount. Approov provides essential security solutions for developers navigating these new challenges. Approov offers mobile app attestation...
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2 months ago
12 minutes

Upwardly Mobile - API & App Security News
How Secure Are eSIMs? Exploring Myths and the Reality of Digital SIM Cards
Episode Notes
Description:
In this episode of Upwardly Mobile, we dive into one of the most pressing cybersecurity threats facing mobile carriers and their subscribers: eSIM swap fraud. While digital SIMs offer superior security against physical theft, they remain vulnerable to sophisticated credential-based attacks and social engineering that target the carrier's systems. We explain how this critical fraud operates and reveal the advanced, cloud-based technologies—App Attestation and Device Binding—that mobile operators are now deploying to verify user identity and device integrity in real time, effectively blocking fraudsters before a swap can be completed.
The eSIM Swap Threat
eSIM swapping is a form of identity fraud where an attacker convinces a mobile carrier to transfer a victim's phone number to a new eSIM under the attacker's control, often by impersonating the legitimate user remotely.
• Attack Method: Attackers often gather personal details from public sources or breaches, then contact the carrier, claiming they need to transfer their number to a new device. Since no physical access is needed, the fraud relies entirely on weaknesses in the carrier’s authentication process.
• The Impact: Once a swap is successful, the criminal gains full control over the victim's phone number. They can intercept calls, texts, and, critically, one-time security codes (OTPs) sent via SMS, allowing them to bypass two-factor authentication (2FA) for online banking, cryptocurrency exchanges, and other sensitive accounts, leading to massive financial loss.
The Technical Solution: Attestation and Binding
To counter these remote, identity-based attacks, carriers are adopting a multi-layered verification approach focused on establishing the trustworthiness of the application and the hardware initiating the swap request.
1. App Attestation
This technology focuses on verifying the integrity and legitimacy of the carrier's mobile application.
• Verification: App Attestation confirms that the carrier's app being used is the genuine, untampered version downloaded directly from an official app store.
• Prevention: It detects if the app has been modified with malicious code or is running in a compromised environment, such as an emulator. If an attacker attempts to use a fake or compromised version of the carrier’s app to initiate a fraudulent eSIM swap request, app attestation detects and blocks that request.
2. Device Binding
Device Binding provides a cryptographic link between a user's account and the unique hardware characteristics of their trusted device.
• Secure Link: When a user first logs in, a secure link is created between the app and the device's hardware IDs.
• Suspicion Flagging: If a request for an eSIM swap is later initiated from a different, unverified device, the system flags the activity as suspicious, regardless of whether the attacker has stolen credentials. The system can then require additional verification steps or outright deny the unauthorized transfer.
This combined approach shifts the security decision-making from the potentially compromised user device to a secure cloud service, making it extremely difficult for attackers to bypass checks through client-side tampering or reverse-engineering.
Comprehensive Security Layers for Mobile Carriers
Beyond app and device verification, mobile carriers are advised to strengthen defenses through systemic controls:
• Stricter Authentication: Implementing secure authentication processes for eSIM transfers,...
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2 months ago
11 minutes

Upwardly Mobile - API & App Security News
Apple's Leap in iOS Security: Unpacking Memory Integrity Enforcement (MIE)
In this episode, we're diving deep into Apple's groundbreaking Memory Integrity Enforcement (MIE), an unprecedented effort poised to redefine the landscape of mobile security, and we'll also explore the broader spectrum of threats targeting the iOS ecosystem.

Apple's Memory Integrity Enforcement (MIE) is the culmination of a half-decade of intensive design and engineering, combining the unique strengths of Apple silicon hardware with advanced operating system security. Apple believes MIE represents the most significant upgrade to memory safety in the history of consumer operating systems. This comprehensive, always-on protection is designed to provide industry-first memory safety across Apple devices, all without compromising device performance.

The Driving Force: Combating Mercenary Spyware While the iPhone has never experienced a successful, widespread malware attack, Apple's focus for MIE is primarily on the mercenary spyware and surveillance industry. These highly sophisticated threats, often associated with state actors, utilize exploit chains that can cost millions of dollars to target a small number of specific individuals. A common denominator in these advanced attacks, whether targeting iOS, Windows, or Android, is their reliance on memory safety vulnerabilities. MIE aims to disrupt these highly effective exploitation techniques that have been prevalent for the last 25 years.

How MIE Works: A Three-Pronged Defense MIE is built on a robust foundation of hardware and software innovations:
1. Secure Memory Allocators: Apple's efforts in memory safety include developing with safe languages like Swift and deploying mitigations at scale. Key to MIE are its secure memory allocators, such as kalloc_type (introduced in iOS 15 for the kernel) and xzone malloc (for user-level in iOS 17), alongside WebKit's libpas. These allocators use type information to organize memory, thwarting attackers' goals of creating overlapping interpretations of memory to exploit use-after-free and out-of-bounds bugs.
2. Enhanced Memory Tagging Extension (EMTE): Building on Arm's 2019 Memory Tagging Extension (MTE) specification, Apple conducted deep evaluations and collaborated with Arm to address weaknesses, leading to the Enhanced Memory Tagging Extension (EMTE) specification in 2022. MIE rigorously implements EMTE in strictly synchronous, always-on mode, a crucial factor for real-time defensive measures in adversarial contexts. EMTE prevents common memory corruption types:
    ◦ Buffer Overflows: The allocator tags neighboring allocations with different secrets. If memory access spills over into an adjacent allocation with a different tag, the hardware blocks it, and the operating system can terminate the process.
    ◦ Use-After-Free Vulnerabilities: Memory is retagged when reused. If a request uses an older, invalid tag for retagged memory, the hardware blocks it. EMTE also specifies that accessing non-tagged memory from a tagged region requires knowing that region’s tag, making it harder for attackers to bypass EMTE.
3. Tag Confidentiality Enforcement: This critical component protects the implementation of Apple's secure allocators and the confidentiality of EMTE tags, even against side-channel and speculative-execution attacks. Apple's silicon implementation prevents tag values from influencing speculative execution, a vulnerability seen in other MTE implementations. Furthermore, MIE addresses Spectre variant 1 (V1), a speculative-execution vulnerability, with a mitigation designed for virtually zero CPU cost, making it impractical for attackers to leak tag values and guide attacks.
Impact and Availability Memory Integrity Enforcement is built right into Apple hardware and software in all iPhone 17 and iPhone Air models, offering unparalleled, always-on...
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2 months ago
17 minutes

Upwardly Mobile - API & App Security News
What the App Store Freedom Act Means for Developers and Consumers?
The App Store Freedom Act

Episode Description: In this episode of Upwardly Mobile, we unpack the App Store Freedom Act, a landmark bipartisan bill aiming to reform the highly concentrated mobile app marketplace dominated by tech giants like Apple and Google. Introduced by Representative Kat Cammack (R-FL) and co-sponsored by Representative Lori Trahan (D-MA), this legislation addresses significant concerns about anti-competitive practices, consumer choice, and developer freedom.
The Coalition for App Fairness (CAF), an independent nonprofit advocating for consumer choice and a level playing field for app developers, applauds the bill's bipartisan support, seeing it as a crucial step to dismantle "mobile walled gardens". We explore the bill's key provisions, which include allowing users to choose third-party app stores, install apps outside of official stores, and delete pre-installed applications. The Act also seeks to remove limitations on communication between developers and users, cap commissions on payments outside default systems, and mandate data sharing for app developers.
However, the App Store Freedom Act isn't without its critics. We delve into the concerns raised by the American Action Forum, particularly regarding potential overlaps with existing antitrust law and recent rulings like Apple v. Epic Games. A major point of contention is the security implications: opening up app stores could lead to a significant influx of fraudulent apps, data theft, and unverified third-party providers, potentially compromising the "walled garden" security benefits that currently protect users. We also discuss how while the bill might expedite FTC enforcement, it could bypass crucial antitrust requirements, potentially overlooking pro-consumer behaviors by app store providers. Join us as we explore the multifaceted debate surrounding this pivotal piece of tech legislation.
Key Discussion Points:
• The Problem: Anti-competitive practices and lack of consumer freedom in mobile app stores controlled by Apple and Google.
• The Bill's Purpose: To foster competition, enhance consumer choice, and create a level playing field for app developers globally.
• Core Provisions of the App Store Freedom Act (H.R.3209):
    ◦ Interoperability: Users can choose default third-party app stores, install apps from outside sources, and hide/delete pre-installed apps.
    ◦ Open App Development: Requires covered companies to provide developers with access to interfaces, hardware, and software features on equivalent terms.
    ◦ Prohibitions: Bans requirements for specific in-app payment systems, prevents punitive actions against developers using alternative pricing or payment methods, and protects legitimate business communications between developers and users.
    ◦ Nonpublic Business Information: Prohibits covered companies from using developer data to compete against those apps.
• Enforcement: Violations are treated as unfair or deceptive acts by the Federal Trade Commission (FTC), with potential civil penalties up to $1,000,000 per violation. State attorneys general can also bring civil actions.
• Overlap with Existing Law & Apple v. Epic Games: Discussion on whether new legislation is fully necessary given previous court rulings that addressed similar anti-steering practices.
• Security Concerns: Analysis of how opening the "walled garden" could impact user safety, potentially leading to fraudulent apps, stolen data, and unverified third-party providers.
• Balancing Act: The trade-offs between promoting competition and maintaining user security and convenience.
Relevant Source Materials for this Summary:
• "CAF...
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2 months ago
13 minutes

Upwardly Mobile - API & App Security News
Anatsa Unleashed | Android Banking Trojan Targets Over 830 Financial Apps Globally

Episode Title: Anatsa Unleashed: How a Sophisticated Android Banking Trojan Targets Over 830 Financial Apps Globally

In this episode of "Upwardly Mobile," we dive deep into the alarming evolution of Anatsa, a potent Android banking trojan that has significantly expanded its reach, now setting its sights on over 830 financial applications worldwide
. First identified in 2020, Anatsa (also known as Teabot or Troddler) grants its operators full control over infected devices, enabling them to perform fraudulent transactions and steal critical bank information, cryptocurrencies, and various other data on behalf of victims.
What You'll Learn in This Episode:
• Anatsa's Expanded Targets: Discover how the Anatsa banking trojan has broadened its scope to include more than 150 new banking and cryptocurrency applications, extending its malicious campaigns to mobile users in new countries like Germany and South Korea
.
• Deceptive Distribution Methods: Understand the cunning ways Anatsa spreads, primarily through decoy applications found on the official Google Play Store
. These seemingly harmless apps often masquerade as useful tools like PDF viewers, QR code scanners, or phone cleaners, accumulating over 50,000 downloads in some cases. Once installed, they silently fetch a malicious payload disguised as an update from Anatsa's command-and-control (C&C) server.
• Advanced Evasion Techniques: Learn about Anatsa's sophisticated anti-analysis and anti-detection mechanisms, designed to evade security measures. These include decrypting strings at runtime using dynamically generated Data Encryption Standard (DES) keys, performing emulation and device model checks, and periodically altering package names and installation hashes
. The malware even hides its DEX payload within corrupted archives that bypass standard static analysis tools.
• How Anatsa Compromises Devices: Find out how Anatsa requests and automatically enables critical accessibility permissions upon installation. This allows it to display overlays on top of legitimate applications, tamper with notifications, receive and read SMS messages, and ultimately present fake banking login pages to steal credentials
. The trojan also incorporates keylogging capabilities.
• Industry Response: Hear about the efforts of cybersecurity firms like Zscaler, which identified and reported 77 nefarious applications distributing Anatsa and other malware families, collectively accounting for over 19 million downloads
. While Google has since removed these reported applications and states that Google Play Protect offers automatic protection, the continuous evolution of Anatsa highlights the ongoing threat.
Protect Yourself: Cybersecurity experts advise Android users to always verify the permissions that applications request and ensure they align with the intended functionality of the app
.
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Relevant Links to Source Materials:
• Source 1: SecurityWeek Article on Anatsa: "Anatsa Android Banking Trojan Now Targeting 830 Financial Apps"
• Source 2: Zscaler ThreatLabz Report: "Anatsa’s Latest Updates | ThreatLabz"
• Source 3: BSI Report on Anatsa: Show more...
3 months ago
11 minutes

Upwardly Mobile - API & App Security News
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