AWSCloudTrail - IAM AccessDenied discovery events

Identifies excessive AccessDenied discovery events for IAM users within short intervals, which may indicate stolen credentials being used to enumerate permissions and resources.

Detection logic

Detection requirements

Platform: IaaS Identity Provider Linux macOS Office Suite SaaS Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: aws
Log source service: awscloudtrail

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Detection rules

AWSCloudTrail - IAM AccessDenied discovery events

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules