Conduct Lessons Learned Review Session
IR AnalystSwitch roles in the top navigation to see different perspectives.
Compile a comprehensive incident timeline, document evidence gaps, and prepare technical findings for the lessons learned review.
Actions
- 1.Compile the complete incident timeline from detection through recovery with all key events, decisions, and timestamps.
- 2.Document all evidence gaps encountered and how they were addressed (or could not be addressed).
- 3.Identify detection gaps: what alerts should have fired but did not? What telemetry would have enabled faster detection?
- 4.Prepare technical recommendations: specific detection rules, logging improvements, hardening measures, and tooling needs.
- 5.Document attacker TTPs mapped to MITRE ATT&CK framework for threat intelligence sharing.
Queries
Review all investigation notes, evidence logs, and timeline entries compiled during the incident.
Notes
- The lessons learned session should occur within 2 weeks of incident closure while details are still fresh.
- Focus on process and systemic improvements, not individual blame.