MediumSigmaHQ Marco Pedrinazzi (@pedrinazziM) (InTheCyber)

AWS Bedrock Guardrail Updated

Detects updates to an Amazon Bedrock guardrail, which may indicate attempts to weaken model safety controls and allow unsafe or unauthorized model responses.

Detection logic

Detection requirements

Platform: Containers ESXi IaaS Linux macOS Network Devices Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: aws
Log source service: cloudtrail

Known benign triggers

Legitimate guardrail updates by authorized identities.

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
docs.aws.amazon.com/bedrock/latest/APIReference/API_UpdateGuardrail.html	Product documentation	2from 2 sources

Detection rules

AWS Bedrock Guardrail Updated

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules