Implement GCP Organization Policy constraints to enforce security guardrails across the entire resource hierarchy, restricting risky configurations and ensuring compliance at organization, folder, and project levels.
The GCP Organization Policy Service provides centralized and programmatic control over cloud resources. Organization policies configure constraints that restrict one or more Google Cloud services, enforced at organization, folder, or project levels. They improve security by blocking external IPs, requiring encryption, and minimizing unauthorized access. Changes can take up to 15 minutes to propagate.
gcloud CLI configured and authenticatedroles/orgpolicy.policyAdmin)Policies inherit from the lowest ancestor with an enforced policy. If no ancestor has a policy, Google's managed default behavior applies.
# Deny external IP addresses on all VMs
gcloud resource-manager org-policies set-policy \
--organization=ORGANIZATION_ID \
policy.yaml
policy.yaml: