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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.

Governance

Each of these is named in at least one of the same controls as lessons learned. The number is how many controls name both.

What the standards actually require on lessons learned

Requirements naming lessons learned across 6 standards, quoted from the control text.

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

What is Lessons Learned?
The documented knowledge gained from experiences, both positive and negative, used to improve future performance and prevent recurring issues.
Why is Lessons Learned important for compliance?
Lessons Learned is a key concept in Governance. Understanding lessons learned helps organizations meet regulatory requirements, reduce risk, and demonstrate due diligence during audits. Our compliance platform maps 686 frameworks with 311K cross-framework control mappings.
Which compliance frameworks address Lessons Learned?
Lessons Learned appears in the requirement text of Japan FSA Cybersecurity Guidelines for Financial Institutions, SANS Incident Handler's Handbook and PICERL Methodology, BSI IT-Grundschutz, Belgium CyberFundamentals, IACS Unified Requirements E26/E27 - Cyber Resilience of Ships and On-Board Systems. Across these standards we have identified 19 controls that name it directly, each linked to the control text on the compliance platform.
Where can I learn more about Lessons Learned?
Explore our compliance framework pages to see how lessons learned applies across different standards and regulations. Our implementation guides provide step-by-step guidance, and the compliance platform offers AI-powered analysis of how this concept maps across 686 frameworks.

See how Lessons Learned applies across compliance frameworks

Our platform maps 686 frameworks with 311K cross-framework control mappings. Explore how this concept is addressed across standards.

Written and maintained by Gerard Blokdyk, The Art of Service.