Recently Published
Reducing Training Downtime – Why Cloud Monitoring Is Critical for Workforce Enablement
Training Downtime Is Costly. Cloud Monitoring Prevents It. Workforce training remains a significant topic in the mainframe ecosystem. The trend has shifted from workforce training as a nice-to-have support function to a necessity for operational infrastructure....
CICS. Db2. IPL. The Latest Cheryl Watson’s Tuning Letter
The Latest Tuning Letter issue is out now! Subscribers to Cheryl Watson’s Tuning Letter will find the newest issue, 2026 No.1, on our Tuning Letter website. If you are not a current subscriber yet, sign up today! This subscription-only resource is available to both...
More Mainframe Lingo Trivia
Mainframe environments come with their own vocabulary, much of it precise, legacy-rich, and completely opaque to anyone who hasn’t spent time in the ecosystem. And there really is no end to the alphabet soup. Even seasoned professionals pick up new terms over the...
The Open Mainframe Project Has a Trust Problem — And the Mainframe Can’t Afford It
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...
Turning Nightly Downtime into a Competitive Advantage with VSAM File-Sharing
If you run on IBM Z, you may still stop CICS overnight so batch jobs can update VSAM files. That pause might be necessary today, but it is no longer a requirement. We will show you how to remove the trade-off between fresh data and uninterrupted access with VSAM...
IBM z17 NTS Enhancements: Securing Time Synchronization
In October 2025, Planet Mainframe published the first article of this two-part series on IBM z17 Time Synchronization Enhancements. That article focused on time synchronization resiliency and accuracy enhancements introduced on IBM z17. This article continues with a...
📰Agentic AI framework, and an AI Assistant and Data Catalog Agent
Kyndryl launches agentic AI framework and services for the mainframe Precisely Announces Gio™ AI Assistant and Data Catalog Agent in the Data Integrity SuiteKyndryl launches agentic AI framework and services for the mainframe Kyndryl has introduced a new set of...
z/OS Security Assessments: What We Missed in 2015 vs. Today
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,...
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Introducing Cyber Security Month
We trust you've appreciated our September series, centered around Db2. Over the past few weeks, we've had the pleasure of sharing over 10 fresh, original Db2 articles with our dedicated audience. Today, we are thrilled to introduce an engaging new theme for...
Make Security Your Competitive Advantage
“If you spend more on coffee than on IT security, you will be hacked.” That was according to Richard Clarke, former special advisor on cybersecurity to the US President. He added, “What’s more, you deserve to be hacked,” which does seem a little harsh. Maybe...
Securing CICS with RACF
Implementing CICS Security with RACF can be a complex and demanding process. In order to do it to a level that creates a good balance can take time and requires good knowledge and understanding of both CICS and RACF. So I will explain the various steps in securing...
Why you need to protect your business with IBM Z Cyber Vault
It seems like every week there is a new story of a major company or organization being affected by a cyber-attack. It might be a ransomware attack, stolen user data, or other disruption to services, and may be initiated either by an external attack or internal...
Best Practices for Closing the Mainframe Security Gap
You could argue – as some folks have – that mainframes are inherently more secure than commodity servers because there are fewer variables at play on mainframe systems, making them easier to secure in some ways. The fact that mainframes account for a relatively small...
Fix the roof when the sun is shining: Data Loss Prevention
It’s high time we acknowledged that mainframe data loss is far more than a security problem. It’s fundamentally a business problem. As the old saying goes, prevention is better than cure. This applies to data loss and cyber attacks as much as anything else in life. If...
Db2 for z/OS: SEPARATE_SECURITY and SECADM
In the Db2 for z/OS module called DSNZPARM (ZPARM, for short), which provides the configuration settings for a Db2 subsystem, there is a parameter named SEPARATE_SECURITY. This ZPARM was introduced with Db2 10, and its purpose is to enable a Db2 for z/OS-using...
Quantum Safe Cryptography Overview
Quantum Safe Cryptography The Problem – Current Cryptography is Vulnerable to Quantum Computing Cryptography experts believe that by 2030 quantum computers will be advanced enough to cut the strength of symmetric key algorithms (such as AES, 3DES and RC4) by half, and...
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Upcoming Events
Events
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Virtual IMS User Group | April 14, 2026
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European Mainframe Technical Exchange – Prague – April 21-23
Prague, Czech Republic Prague, Czech RepublicRegistration is open for the 2026 European Broadcom Mainframe Technical Exchange! This year’s event will take place in Prague, Czech Republic, from April 21 - 23. Register today to reserve […]
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Virtual CICS User Group | May 12, 2026
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Virtual Db2 User Group | May 19, 2026
Zoom - Virtual Meeting
Rocket Software and K2view Partnership, 2025 Gartner Peer Insights Customers’ Choice, and more
IBM Introduces New Software to Address Growing Digital Sovereignty Imperative Rocket Software and K2view Partner to Accelerate Mainframe Modernization with Governed, AI-Ready Test Data for Testing, Analytics, and AI BMC is recognized as a 2025 Gartner® Peer Insights™...
❓Mainframe Professional Skills Trivia
Our last trivia quiz explored the legacy of mainframe pioneers, and this week we’re going to continue looking into the lineage of skills in mainframe professional practice, examining how early design and operational decisions shaped the way mainframe expertise is...
❓ Workforce and Training Trivia
Happy 2026—and welcome to a whole new year of Planet Mainframe Trivia! As our January theme focuses on Workforce and Training, this quiz looks at mainframe pioneers and the early decisions that shaped how mainframe skills are learned and passed on. Mainframe expertise...
Newest Virtel Release, SHARE Orlando Tickets, and more
VIRTEL announces release of Virtel 4.63: a major new version to better connect, secure, and simplify access to any mainframe application SHARE Orlando Early Bird Tickets Available Hitachi Vantara's Virtual Storage Platform One Wins CRN 2025 Products of the Year Award...
❓What 2025 Taught Us About Mainframes: A Trivia Quiz
As the year closes, and the year-end reflections roll in, we’re taking a closer look at key findings from the latest BMC, Kyndryl, and Planet Mainframe Arcati surveys. The results point to a platform that is evolving in response to cost pressures, skills gaps,...
Real-Time Data Replication, Quantum Safe Assessment Service, and More
Precisely Accelerates Mainframe Modernization with Real-Time Data Replication to Amazon S3 Kyndryl Unveils Quantum Safe Assessment Service to Enable Enterprise Readiness for the Quantum Era IBM Turbonomic and IBM Kubecost unite to optimize Kubernetes performance and...




