Google Professional-Cloud-Security-Engineer Exam With Confidence Using Practice Dumps

In the Google Cloud resource hierarchy, Organization Policy is a powerful tool for governance, but its effectiveness depends on strict control over who can modify it. If a policy set at the folder level was "overwritten," it means a principal with the Organization Policy Administrator role (roles/orgpolicy.policyAdmin) at the project level (or folder level) changed the inheritance or defined a more permissive policy.1

According to Google Cloud Documentation (Organization Policy Service - IAM Roles):

"To manage organization policies, a principal must have the Organization Policy Administrator role. This role should be granted only at the Organization level to a limited set of trusted security or compliance administrators to prevent project owners from overriding security guardrails."

Why Option A is the best fix:

By removing the role from everyone except the central security team at the Organization level, you ensure that no one else has the technical permission to "Manage Policy" or click "Override" at any child node (folder or project).

B is insufficient because if a user has the role at the organization level, they can still apply overrides at the folder or project level.

C and D (Security Postures) are detective controls. While the secure_ai_extended template helps monitor drift, it does not prevent the occurrence. The question asks for a solution that "prevents a repeat occurrence," which requires a preventative IAM change.

For a client concerned about the control of their encryption keys and not wanting to store these keys within the same cloud service provider (CSP) as the data, the following solutions are suitable:

Customer-supplied encryption keys (A):

With customer-supplied encryption keys, clients manage their own encryption keys outside of Google Cloud and supply them to encrypt and decrypt data. This ensures that the keys are not stored in Google Cloud, providing full control over the key management process.

Cloud External Key Manager (D):

Cloud External Key Manager (EKM) allows clients to integrate an external key management system (KMS) with Google Cloud services. This setup enables the client to keep their encryption keys outside Google Cloud while still allowing the data to be encrypted and decrypted within Google Cloud services. This method offers an additional layer of security and control over the encryption keys.

These options provide robust solutions for clients requiring external key management and enhanced control over their encryption processes.

References

Customer-Supplied Encryption Keys

Cloud External Key Manager

Public access prevention protects Cloud Storage buckets and objects from being accidentally exposed to the public. If your bucket is contained within an organization, you can enforce public access prevention by using the organization policy constraint storage.publicAccessPrevention at the project, folder, or organization level.