Correct Answer: B
Using service accounts with least privilege access for automation is a best practice for securing automated processes in a DevOps environment on GCP. This approach ensures that automation processes are securely authenticated and authorized, with access strictly limited to necessary resources.

Incorrect Options:

• A: Disabling audit logging can hinder the detection of security issues and compliance violations.
• C: Storing credentials in plain text poses a significant security risk.
• D: Broad access to credentials increases the risk of misuse.