Lessons Learned
What is Lessons Learned?
The documented knowledge gained from experiences, both positive and negative, used to improve future performance and prevent recurring issues.
Terms that appear alongside lessons learned
Each of these is named in at least one of the same controls as lessons learned. The number is how many controls name both.
- incident response 54 shared controls
- nist 35 shared controls
- breach notification 28 shared controls
- security incident 27 shared controls
- cybersecurity 25 shared controls
- remediation 24 shared controls
- audit 23 shared controls
- business continuity 22 shared controls
Frameworks that govern lessons learned
What the standards actually require on lessons learned
Requirements naming lessons learned across 6 standards, quoted from the control text.
Incident Response capability is critical per FSA Cybersecurity Guidelines. (1) Incident Response Plan: (a) Documented IR Plan + per FFIEC IT Examination Handbook reference; (b) ISO/IEC 27035 Information Security Incident Management;
JP-FSA-CYB-Incident-Response-Playbooks-Containment-Eradication-Recovery-Post-Mortem-Tabletop-CSIRT · Japan FSA Cybersecurity Incident Response + Playbooks + Containment + Eradication + Recovery + Post-Mortem + Tabletop Exercises + CSIRT + FSA Notification + Customer Communication + Forensics + Lessons Learned →Conduct a post incident review within two weeks of recovery, involving all responders and stakeholders, documenting timeline, what worked, what failed, and actions.
PICERL-L-01 · Lessons Learned: Post Incident Review →Lessons learned and improvement. Control from BSI IT-Grundschutz framework, domain: BSI IT-Grundschutz: Incident Response.
BSI-22 · Lessons learned and improvement →Lessons learned and improvement. Implements CyFun RS.IM-1 / RS.IM-2: response activities incorporate lessons learned and response strategies are updated.
BE-CF-22 · Lessons learned and improvement →UR E26 Goals 4 (Respond) + 5 (Recover) require incident response + recovery capabilities. Incident Response Plan (IRP) covers: detection triggers + classification (safety-impact + business-impact);
IACS-UR-E26-Respond-Recover-IncidentResponse-Recovery-Backup-Lessons · IACS UR E26 Respond + Recover Goals - Incident Response + Communication + Recovery + Backup + Lessons Learned →Recover is the fifth of five functional elements per MSC-FAL.1/Circ.3/Rev.2. Activities include: (1) Backup and Restore - prioritised backup of critical OT and IT systems (ECDIS charts + voyage planning + engine control configuration + cargo loading software +...
IMO-MSC-FAL-Recover-BackupRestore-ContinuityOfNavigation-LessonsLearned-Drills · IMO MSC-FAL Recover Function - Backup and Restore + Continuity of Navigation + Continuity of Cargo Operations + Continuity of Propulsion + Lessons Learned + Drills + Resilience →Questions people ask about lessons learned
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