Introduction USB drives are everywhere — and that is precisely the problem. In a managed domain environment, an uncontrolled USB port is an open door for unauthorized software installations, malware delivery, data exfiltration, and licensing headaches. One employee plugging in a personal flash drive loaded with an unsigned installer can quietly bypass your entire software deployment policy in under a minute. The silver lining is that Windows Server 2025 and its Group Policy engine give you a powerful, built-in mechanism to shut this down completely — no third-party endpoint agents...