Auditd

auditd collects kernel-level audit events and security-relevant system activity.

Why it matters

  • Creates tamper-resistant trails for critical operations.
  • Supports investigations by linking who did what and when.
  • Helps satisfy compliance and governance controls.

Operational notes

  • Define focused audit rules for high-value events.
  • Ship and retain audit logs centrally.
  • Pair audit data with SIEM or EDR correlation.