Episode 61 — A.8.15–8.16 — Logging; Monitoring activities

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Framework - ISO 27001 (Cyber)

Jason Edwards

71 episodes

1 day ago

The ISO/IEC 27001 Framework is the internationally recognized standard for establishing, implementing, maintaining, and continually improving an Information Security Management System (ISMS). It provides a systematic approach to managing sensitive information through risk management, governance, and control implementation. At its core, ISO 27001 helps organizations protect the confidentiality, integrity, and availability of data—whether stored, processed, or transmitted—by aligning security practices with business objectives and regulatory requirements. The framework is built around a risk-based process, requiring organizations to identify potential threats, assess their likelihood and impact, and implement appropriate controls from the companion standard ISO/IEC 27002. These controls cover a wide range of areas including asset management, access control, cryptography, operations security, and supplier relationships. By tailoring these controls to organizational needs, ISO 27001 supports both flexibility and accountability—ensuring that security measures are not just technical but also strategic and operational. Beyond compliance, ISO 27001 fosters a culture of continuous improvement through regular audits, performance monitoring, and leadership involvement. Certification to the standard demonstrates to customers, partners, and regulators that an organization follows internationally accepted best practices for managing information security risk. More than a checklist, ISO 27001 functions as an ongoing management framework that integrates security into every level of organizational decision-making, helping build trust, resilience, and long-term operational stability.

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Episode 61 — A.8.15–8.16 — Logging; Monitoring activities

Framework - ISO 27001 (Cyber)

13 minutes

1 month ago

Episode 61 — A.8.15–8.16 — Logging; Monitoring activities

A.8.15 requires that logging be planned, consistent, and comprehensive enough to reconstruct significant actions affecting information security. For the exam, connect logging scope to risk and classification: higher-value systems need richer telemetry—authentication results, admin actions, configuration changes, data access decisions, process creation, and network flows—captured with sufficient context to attribute events to identities, devices, and sessions. Logs must include time stamps, outcome codes, source/destination details, and object references, stored in tamper-evident repositories with defined retention aligned to legal and business needs. Candidates should emphasize secure collection (forwarding over protected channels), integrity controls (hashing, append-only storage), and privacy considerations (masking or minimizing personal data while preserving investigative value). The aim is not “log everything,” but to log the right things at the right fidelity so that incidents can be detected, triaged, and investigated without drowning in noise or exposing sensitive information unnecessarily.

A.8.16 extends this into active monitoring: the purposeful review and analysis of logs and signals to detect anomalies, policy violations, or attacks. Practical implementations combine rule-based detections, statistical baselines, and threat-informed use cases mapped to common techniques, with alerting tuned to minimize false positives. Evidence includes documented monitoring plans, use case catalogs tied to risks, dashboards, alert runbooks, and metrics such as mean time to detect and investigate. Pitfalls include uncorrelated silos (endpoint, identity, cloud, network) that hide lateral movement, or high-volume alerts without ownership or response procedures. Strong programs enrich events with identity and asset context, synchronize clocks, and maintain a defensible chain from alert to ticket to resolution, including periodic tuning driven by post-incident reviews. Candidates should be prepared to explain how logging and monitoring feed PDCA: plans define required signals, operations generate and protect them, reviews validate effectiveness, and improvements refine coverage and detections as the environment changes. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with.