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DET-R1: Watched tag moved to new content

A tag the registry policy deploys from was pushed again with a different digest, or now points away from the released digest: what deploys under that tag changed.

Property Value
Severity high
Platform Image registry
Group supply
Log source CloudTrail · ECR
Related check REG-PIN-01: Deployment references immutable content

Fires when

a watched tag now resolves to a different digest (tag moved)

How it runs

untrust registry detect --policy <trust policy> reads registry audit events for the repositories the policy watches.

A match is a detection event with this rule's ID. Upload it to the console to alert on it; see Runtime detections.