DET-02: kms:Decrypt without a RecipientAttestation context¶
The attestation-gated key released plaintext to a caller that presented no enclave attestation document: key release outside the enclave.
| Property | Value |
|---|---|
| Severity | critical |
| Platform | AWS Nitro Enclaves |
| Group | tee |
| Log source | CloudTrail · KMS |
| Policy | P-03 |
| Related check | KMS-01: KMS key policy enforces RecipientAttestation |
Fires when¶
eventName == "Decrypt" AND keyId IN attested_keys AND requestParameters.recipient.attestationDocument IS NULL
How it runs¶
untrust detect --platform nitro reads CloudTrail in the region you pass with --region, over the last --since minutes (default 60).
A match is a detection event with this rule's ID. Upload it to the console to alert on it; see Runtime detections.