z/OS Security Level 3

z/OS® Security Level 3 includes IBM® Tivoli® Directory Server for z/OS Security Level 3 (new in z/OS V1R8; replaces LDAP Security Level 3), Network Authentication Service Security Level 3, Communications Server Security Level 3 (new in z/OS 3.1), and System Secure Sockets Layer (SSL) Security Level 3.