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Ensure Cloud Bigtable uses CMEK for regulated data

CMEK on Bigtable helps organizations meet key custody and compliance requirements.

Category

Controls

Medium

Applies to

Google Cloud

Coverage

null controls, 1 queries

Asset types

1 covered

Overview

CMEK on Bigtable helps organizations meet key custody and compliance requirements.

Remediation guidance

Google Cloud Remediation

Service-Wide (Recommended)

Enforce CMEK requirements through organization standards and project controls for regulated workloads.

Google Cloud Console (Asset-Level)

  1. Open Bigtable instance settings/creation flow.
  2. Select CMEK option.
  3. Assign approved KMS key.

Google Cloud CLI (Asset-Level)

gcloud bigtable instances create <instance-name> --cluster=<cluster-name> --cluster-zone=<zone> --display-name="<display-name>" --kms-key=projects/<project>/locations/<location>/keyRings/<keyring>/cryptoKeys/<key>

References

  • https://cloud.google.com/bigtable/docs/customer-managed-encryption-keys

Query logic

These are the stored checks tied to this control.

Bigtable instances without CMEK

Connectors

Google Cloud

Covered asset types

BigTable

Expected check: eq []

{ bigTableInstances(where: { OR: [ { kmsKeyName: "" }, { kmsKeyName: null } ] }) { ...AssetFragment } }
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