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DET-A6: Key Vault opened to public networks

A vault write set its network default action to Allow (public): the vault holding the attestation-gated key is reachable from outside the confidential VM's network.

Property Value
Severity medium
Platform Azure confidential VMs
Group cloud
Log source Azure Activity Log · Key Vault
Related AZURE-KV-01

Fires when

Key Vault write AND publicNetworkAccess Enabled OR networkAcls.defaultAction Allow

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.