• CICS User Group
  • Db2 User Group
  • IMS User Group
  • Arcati Navigator
Planet Mainframe on LinkedIn
Planet Mainframe on LinkedIn
Planet Mainframe
Db2 Workload Performance on Fire
  • Latest
  • Cheryl Watson’s Tuning Letter
  • Influential Mainframers
  • Podcasts
  • Jobs
  • Events
The Open Mainframe Project Has a Trust Problem — And the Mainframe Can’t Afford It

The Open Mainframe Project Has a Trust Problem — And the Mainframe Can’t Afford It

by Theo Ezell | Dec 11, 2025

Open Mainframe Project Security Concerns I was chatting with a mainframer buddy the other day, and he expressed some concerns about the overall code security of the Open Mainframe Project (OMP), particularly around member vetting. So, I spent a bit of time digging...

read more
z/OS Security Assessments: What We Missed in 2015 vs. Today

z/OS Security Assessments: What We Missed in 2015 vs. Today

by Niall Ashley | Dec 5, 2025

My career has, over the nearly four years of working in this field, predominantly been comprised of RACF Administration and Engineering, interspersed with other opportunities that I foolishly volunteered myself for. Such opportunities have included writing articles,...

read more
The cover for Cheryl Watson's Tuning Letter Issue for 2025 Volume 2

Discover the latest issue of Cheryl Watson's Tuning Letter

Get Access Today!

Latest
Become a Contributor
Tuning Letter
Events

Planet Mainframe 315 Deaderick Street, Suite 1700 Nashville TN 37238
IMS, Db2, CICS, and z/OS are registered trademarks of IBM Corporation. All other trademarks, registered trademarks, product names, and company names and/or logos are the property of their respective holders.

© 2025 Planet Mainframe

Planet Mainframe on LinkedIn