The "OPSEC fairy" as referenced in previous post is typically a random coworker, so no, they generally not have a broad license do tinker with your workstation.
An actual OPSEC person would not go and change your desktop's background, or send an email for free donuts to all your coworkers. An actual OPSEC person would just write you up for a security violation.
An actual OPSEC person would not go and change your desktop's background, or send an email for free donuts to all your coworkers. An actual OPSEC person would just write you up for a security violation.