Logging was impaired via external encryption key

Cortex XSIAM Analytics Alert Reference by Alert name

Product
Cortex XSIAM
Last date published
2025-12-08
Category
Analytics Alert Reference
Index by
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Day

Required Data

  • Requires one of the following data sources:
    • AWS Audit Log
      OR
    • Gcp Audit Log

Detection Modules

Cloud

Detector Tags

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

  • The resource was configured with an external key
  • This might be an attempt to disrupt log inspection.

Attacker's Goals

Modifying the key used to encrypt the logs to remain undetected.

Investigative actions

  • Check the identity which updated the resource configuration.
  • Check the key used to encrypt the logs.