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DET-A7: Confidential VM disk exported or snapshotted

A disk export (beginGetAccess) or snapshot write took the confidential VM's OS disk out of the instance, lifting its state out of the VM's access controls.

Property Value
Severity high
Platform Azure confidential VMs
Group cloud
Log source Azure Activity Log · Compute
Related AZURE-DISK-01

Fires when

Disks/beginGetAccess OR Snapshots write AND disk == CVM OS disk

How it runs

untrust detect --platform azure-cvm reads the Activity Log and Key Vault AuditEvent entries, live (with azure-mgmt-monitor and azure-identity installed) or from an exported file passed with --azure-log-file.

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