Episode 62 — A.8.17–8.18 — Clock synchronization; Privileged utility programs

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Framework - ISO 27001 (Cyber)

Jason Edwards

71 episodes

2 days 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 62 — A.8.17–8.18 — Clock synchronization; Privileged utility programs

Framework - ISO 27001 (Cyber)

21 minutes

2 months ago

Episode 62 — A.8.17–8.18 — Clock synchronization; Privileged utility programs

A.8.17 mandates synchronized time across systems so that events recorded in different places can be reliably correlated. For the exam, stress why this matters: investigations, non-repudiation, and regulatory reporting all depend on consistent, traceable timestamps. Organizations typically standardize on secure time sources (e.g., authenticated NTP or cloud time services), designate stratum hierarchies, protect time infrastructure from spoofing, and monitor drift with thresholds that trigger correction. Time settings must align to logging and monitoring strategies, with clear documentation of time zones, daylight-savings handling, and retention of configuration changes. Candidates should highlight how unsynchronized clocks undermine evidence chains, create false sequences in incident timelines, and complicate SLA verification; therefore, clock control is not an afterthought but a foundational integrity requirement for the whole telemetry fabric.

A.8.18 covers privileged utility programs—powerful tools like debuggers, packet sniffers, firmware flashers, database consoles, and hypervisor or cloud administrative utilities that can bypass normal controls. The control expects tight governance: inventory and classification of such utilities, restricted installation and execution, approved use cases, and monitoring of invocation with full command and parameter capture where feasible. Technical enforcement may include application allow-listing, PAM-mediated launch, sandboxed consoles, and dedicated privileged workstations. Pitfalls include leaving diagnostic tools on production hosts, unmanaged portable binaries, and “break-glass” accounts with access to everything but no session recording. Strong programs pair least privilege with just-in-time elevation, segregate admin networks, and require change or incident tickets to justify use, with post-use reviews to ensure necessity and proportionality. Candidates should connect time integrity and privileged utility control to defensible investigations: you cannot trust what you cannot sequence, and you cannot attest to control effectiveness if high-power tools operate outside auditable pathways. 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.