AWSCloudTrail - S3 bucket exposed via policy
Detects S3 bucket policy updates that allow public principals without restrictive conditions. Public bucket policies can expose sensitive data and should be reviewed immediately.
Detection logic
Detection requirements
- Platform
- IaaSOffice SuiteSaaS
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- aws
- Log source service
- awscloudtrail
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
No references are available for this detection.
From the source
- At source
- Open at source
- Upstream identifier
- 44a5b65e-b0a9-4591-aabc-388fd92a28c4
- Tagged by the source as
- Exfiltration
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Aug 29, 2026
- Version
- 1