Vanguard ez/PIV Card by Vanguard Integrity Professionals authenticates users to z/OS Security Servers and validates identities to PIV authentication servers. It is designed for RACF, ACF2, and Top Secret environments. This solution satisfies government mandated PIV Card requirements and standards based on FIPS 201 and HSPD-12. Vanguard ez/PIV Card increases system security by implementing multifactor authentication, validating employees and contractors before granting access to critical resources.