How do you enforce policies across all GCP projects?
Organization Policies in GCP are the counterpart of AWS SCPs and Azure Policies. One set of rules at org level inherited by every project. Great for region restrictions, external IP blocks, and service-account key bans.
Try this first
- 1Activate the GCP Organization (Cloud Identity or Workspace required). No Organization, no Org Policies.
- 2Set constraints/iam.disableServiceAccountKeyCreation as boolean Enforced. That blocks creating long-lived SA keys, nudges towards Workload Identity.
- 3constraints/gcp.resourceLocations: allow only EU regions. Prevents accidental deploys to us-east.
- 4constraints/compute.vmExternalIpAccess: only specific VMs may have public IP. Default deny for the rest.
- 5Test policies in dry-run (audit) mode first. A policy enforced immediately can break deploys nobody expected.
When to bring us in
For more than 20 projects or a multi-team setup, managing Organization Policies via Terraform with code review is recommended. That context can make a short session clearer.
See also
- Everyone logs in with the AWS root accountRoot is for emergencies and billing. Day-to-day work belongs in IAM users or SSO.
- Every developer has AdministratorAccessAdministratorAccess everywhere is convenient now, painful later. Start with role-based policies.
- Everyone has individual IAM users with their own passwordIdentity Center (formerly AWS SSO) links to your IdP and issues temporary credentials per session.
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