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System Observability: Logging, Metrics & Tracing (ELK + OpenTelemetry) · Lesson

Audit Logging and Compliance

Learn how audit logs differ from operational logs, what makes a trustworthy audit trail, and how observability supports compliance requirements.

What Is an Audit Log?

An audit log records who did what, when, and to which resource. Unlike debug logs, it exists to answer accountability and compliance questions.

Audit vs Operational Logs

Operational logs help engineers debug; audit logs prove what happened for security and regulators.

  • Operational: verbose, short-lived
  • Audit: structured, long-retained, tamper-evident

All lessons in this course

  1. Using Observability for Security
  2. Performance Monitoring and Tuning
  3. Cost Optimization of Observability
  4. Audit Logging and Compliance
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