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AWS Bedrock Invocations without Guardrails Detected by a Single User Over a Session

Identifies multiple AWS Bedrock executions in a one minute time window without guardrails by the same user in the same account over a session. Multiple consecutive executions implies that a user may be intentionally…

Description

Identifies multiple AWS Bedrock executions in a one minute time window without guardrails by the same user in the same account over a session. Multiple consecutive executions implies that a user may be intentionally attempting to bypass security controls, by not routing the requests with the desired guardrail configuration in order to access sensitive information, or possibly exploit a vulnerability in the system.

Detection logic

Its licence does not clear it for publishing here

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Known benign triggers

  • Users testing new model deployments or updated compliance policies without Amazon Bedrock guardrails.

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