Module 9 · Binary Authorization

Manish Garg
Manish Garg Associate of (ISC)² · RingSafe
Apr 27, 2026
1 min read
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Last updated: April 29, 2026

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Binary Authorization = admission controller for GKE/Cloud Run. Only deploy images that pass policy.

Binary Authorization = admission controller for GKE/Cloud Run. Only deploy images that pass policy.

How it works

  1. Build pipeline produces image + attestation (using Cloud KMS-signed key)
  2. Binary Auth policy specifies required attestations
  3. Deploy attempt: image checked against policy
  4. Match → allow; no match → deny
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