Post-Incident Activity
Definition
The NIST SP 800-61 label for the final phase of the incident response lifecycle. It encompasses evidence retention, lessons-learned meetings, and the translation of findings into documented improvements to the IR plan, policies, and controls.
Related terms
- Action Item
- A specific, time-bound improvement task generated by a post-incident finding. An action item has a named owner, a target completion date, a...
- Blameless Post-Mortem
- A cultural approach to post-incident review, popularised in site reliability engineering, in which the analysis focuses on systemic and process failures rather...
- Lessons-Learned Register
- A persistent record, maintained by the security programme, that links each post-incident action item to the originating incident, tracks its status, and...
- Root-Cause Analysis (RCA)
- A structured method for identifying the underlying systemic cause of a failure rather than its immediate trigger. Common techniques in incident review...
- Timeline Reconstruction
- The process of ordering digital events from multiple sources into a single chronological account. Requires normalising all timestamps to a common reference...
Explained in
- Post-Incident Review and Lessons LearnedThe NIST SP 800-61 label for the final phase of the incident response lifecycle. It encompasses evidence retention, lessons-learned meetings, and the translati...