Broadcom continues to publish STIG articles for standard z/OS Mainframe Cybersecurity controls
Check here for the latest STIG Articles on Top Secret (TSS) z/OS Mainframe standard Cybersecurity controls: https://techdocs.broadcom.com/us/en/ca-mainframe-software/security/ca-top-secret-for-z-os/16-0.html
Check here for the latest STIG Articles for ACF2 z/OS Mainframe standard Cybersecurity controls: