resource access control facility (RACF)
Resource Access Control Facility(RACF) is a sub-concept for IT security.
Resource Access Control Facility (RACF) is implemented in IBM mainframes with the SAF(System Authorization Facility) interface and supports authentication, authorization and auditing. It registers all security-related events, but is difficult to manage and has no real-time monitoring. This includes useridentification and authentication, access rights management, and control over resource access.