PICERL
Definition
Acronym for the six SANS IR stages: Preparation, Identification, Containment, Eradication, Recovery, and Lessons Learned. The model is cyclical: the final stage feeds back into the first.
Related terms
- After-Action Report (AAR)
- The formal document produced during Lessons Learned that records the incident timeline, decisions made, outcomes, and recommended improvements. The AAR drives updates...
- Containment strategy
- A deliberate decision about how to limit an incident's spread, balancing the need to stop harm immediately against the risk of alerting...
- Eradication
- The phase in which the root cause of an incident is removed from the environment: deleting malware, patching exploited vulnerabilities, revoking compromised...
- Incident declaration
- The formal decision, made during the Identification stage, that a detected event meets the organisation's criteria for a security incident. Declaration triggers...
- NIST SP 800-61
- The US National Institute of Standards and Technology's Computer Security Incident Handling Guide. It defines a four-phase IR lifecycle: Preparation; Detection and...
Explained in
- The SANS PICERL ModelAcronym for the six SANS IR stages: Preparation, Identification, Containment, Eradication, Recovery, and Lessons Learned. The model is cyclical: the final stag...