VTAM
VTAM® is a component of the z/OS® Communications Server.
Where to find more information
VTAM passes security information to RACF® through the system authorization facility (SAF) to provide access control of information between address spaces.
VTAM provides support for multilevel security as follows:
- VTAM provides control of applications getting access to VTAM services.
- VTAM provides control for sending and receiving cross-address-space TSO/E messages.