Logging was impaired via external encryption key

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Logging was impaired via external encryption key

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

Module:: Cortex Cloud
Licensed by:: Cloud Runtime Security (CRS)
Data source:: AWS Audit Log, Gcp Audit Log

ATT&CK tactics: Impact (TA0040) Defense Evasion (TA0005)

ATT&CK techniques: Data Manipulation (T1565) Impair Defenses (T1562)

Detector tags: Cloud Log Tampering Analytics

Attacker's goals:

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

Investigative actions:

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

Test period:: N/A (single event)
Deduplication:: 1 Day