Common Access Card Program

The Common Access Card (CAC) Program is a security system used by the U.S. Department of Defense to confirm identities and grant access to secure facilities, computers, and information. The CAC is a smart card that contains the holder’s personal and security information, functioning like an official ID and digital key. It ensures that only authorized personnel can access sensitive military data and locations, helping to protect national security. The program standardizes identity verification across military and civilian personnel, providing a secure, efficient, and trusted method for authentication and access control.