How Aisura 'Turbo Mirai' Botnet Reshaped Mobile DDoS Warfare

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Upwardly Mobile - API & App Security News

Approov Mobile Security

106 episodes

4 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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How Aisura 'Turbo Mirai' Botnet Reshaped Mobile DDoS Warfare

Upwardly Mobile - API & App Security News

10 minutes

4 days ago

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.