As far as I’m aware there’s no IBM redbook that exclusively covers z/OS AT-TLS, but there are several redbooks that contain relevant chapters or sections. See this page for an index:
https://community.ibm.com/community/user/ibmz-and-linuxone/blogs/flora-gui1/2023/01/03/attls-info-hub<https://community.ibm.com/community/user/ibmz-and-linuxone/blogs/flora-gui1/2023/01/03/attls-info-hub?communityKey=406e5630-08ab-45a7-8592-d1c960f86311> ————— Timothy Sipples Senior Architect Digital Assets, Industry Solutions, and Cybersecurity IBM Z/LinuxONE, Asia-Pacific sipp...@sg.ibm.com ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN