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AWS security-ir medium security documentation change

Service: security-ir · 2026-02-16 · Security-related medium

File: security-ir/latest/userguide/document-history-for-the-aws-security-incident-response-user-guide.md

Summary

Added document history entries for RACI matrix and containment preferences updates

Security assessment

Documents changes to security incident response procedures (containment preferences) and responsibility matrix, indicating operational security control updates.

Diff

diff --git a/security-ir/latest/userguide/document-history-for-the-aws-security-incident-response-user-guide.md b/security-ir/latest/userguide/document-history-for-the-aws-security-incident-response-user-guide.md
index dcbac6297..3c9135daf 100644
--- a//security-ir/latest/userguide/document-history-for-the-aws-security-incident-response-user-guide.md
+++ b//security-ir/latest/userguide/document-history-for-the-aws-security-incident-response-user-guide.md
@@ -10,0 +11,2 @@ Change| Description| Date
+[RACI Matrix](https://docs.aws.amazon.com/security-ir/latest/userguide/raci-matrix.html)| Updated "Authorize CIRT containment actions" to "Authorize containment actions" in the RACI matrix.| February 13, 2026  
+[Containment Preferences](https://docs.aws.amazon.com/security-ir/latest/userguide/define-containment-preferences.html)| Updated containment preference options from "No containment actions", "Containment with approval", and "Automatic containment" to "Approval Required", "Contain Confirmed", and "Contain Suspected" with revised descriptions.| February 13, 2026