Recent Articles
Redefining Legacy Modernization Around Customer Outcomes | On-Demand Webinar
Modernizing legacy systems remains one of the hardest challenges in enterprise IT. Costs rise, skills shrink, and technical debt piles up—leaving many organizations stalled long before they achieve meaningful progress. In this on-demand webinar, AveriSource experts...
All I Want for Christmas is an IBM Db2 Analytics Accelerator
It’s always the right time to talk about my absolute favorite mainframe technology, the IBM Db2 Analytics Accelerator (we users like to call it IDAA). As you finalize your wish list for your CFO or Santa, don’t forget this!What’s Not in a Name If you’ve ever heard me...
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,...
SQL & SQL PL Enhancements in Db2 12 and 13 — Technical Insights from the Virtual Mainframe User Group with Chris Crone
In this session of the Mainframe Virtual User Groups, Broadcom Distinguished Engineer Chris Crone provided a practical walkthrough of SQL and SQL PL enhancements across Db2 12 and Db2 13. Drawing on 35 years of experience working in Db2 internals, including SQL...
From Mariner to Mainframer: The Reinvention of Uday Prasad | Tech Sharmit Podcast
Amit Sharma, Content Creator at Tech Sharmit and Host of The Tech Sharmit Podcast, interviewed Uday Prasad, co–founder of ZedInfo Tech, about Prasad’s pivot from mariner to mainframer. Catch the full podcast on YouTube.Q: You have been in this industry for 30+ years....
Latest
Modernizing Mainframe Security: RACF and MFA Misconceptions
Passwords Aren’t Enough to Modernize Mainframe Security Security is the backbone of any organization’s control environment. In today’s hyper-connected economy, protecting against IT threats is not just a technical requirement—it’s a business imperative. A single...
TRIVIA – Penetration Testing
Mainframes have long been known for their unmatched reliability and security—but even the most trusted systems can hide surprises beneath the surface. As technology evolves, so do the tactics of those trying to exploit it. Penetration testing (pen testing), or...
Mainframe Security: The Quiet Frontline of Enterprise Defense
For decades, the mainframe has been viewed as one of the most secure computing platforms on Earth. With tightly controlled access, centralized data management, and unmatched reliability, it earned its reputation as the “fortress” of enterprise IT. But, as evidenced in...
From Mainframe to Cybersecurity: Experience Is the New Superpower, Ladies
From Mainframe to Cybersecurity: Experience Is the New Superpower If you’ve written COBOL, debugged Assembler, or know how to resolve an S0C7 abend, chances are you belong to an older—and increasingly rare—demographic in tech. If you’re a woman, that group is even...
The Heat is on. What 2025 Cyber Attacks in the UK Teach Us About Mainframe Security
Vertali’s Leanne Wilson reflects on a year of cyber attacks and what needs to happen now. 2025 was quite a year for cyber attacks. The UK in particular experienced a significant surge, with 43% of businesses reporting at least one incident and an astounding 91% of...
Kev Milne Brings Mainframe Pen Testing to Life with open-source Gibson
In the second episode of The Mainframe Book Club, host Andrew (Andy) McCandless talks with Kev Milne, Cyber Threat Intelligence Manager at NatWest Bank, and one of the few professionals focused on mainframe penetration (pen) testing.A Platform Born from Missing Skills...
Simplifying Mainframe Security in 2025, featuring Ravi Patil ▶️
Simplifying Mainframe Security with Broadcom As hybrid IT environments expand, so do the risks. In this video, Broadcom’s mainframe security expert, Ravi Patil, Director of Cybersecurity and Compliance, breaks down how compliance, continuous monitoring, and smarter...
Mainframe Data on the Move: A Security-Centric Perspective, featuring Colin Knight
At the September Virtual Db2 User Group, we hosted Colin Knight, longtime mainframer and Db2 Systems Programming Tech Lead at NatWest. With over 40 years in the field—36 of them working with Db2—Colin cut through the hype to focus on what matters most: security when...
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Upcoming Events
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Virtual CICS User Group | The IT Stairway to Heaven. CICS Testing Pyramid: From Unit to Integration to Production-Like Environment
Zoom - Virtual MeetingEffective testing is essential for building robust systems. Dive deep into a structured approach to the testing pyramid for CICS applications. Using Test4z, we will demonstrate how unit tests form […]
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Virtual Db2 User Group | January 20, 2026
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Virtual IMS User Group | February 10, 2026
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Virtual CICS User Group | March 17, 2026
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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...
📰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...
📰 Top 100 Most Loved Workplace, Workload Automation in Industry Report, and more
Kyndryl Cloud Readiness Report: Hybrid Cloud Shapes the Future of AI and Enterprise Agility BMC Selected as Overall Leader for Workload Automation in Industry Report Kyndryl Named a Top 100 Most Loved Workplace® by the Wall Street Journal IBM and Groq Partner to...
❓ History of Artificial Intelligence Trivia
November at Planet Mainframe is all about AI, and you don’t need us to tell you that artificial intelligence has now been integrated into many of our daily routines. But long before AI became a household term, IBM was shaping the foundations of this increasingly...
IBM’s decision to discontinue support for the zPDT standalone offering threatens the mid-tier ISV market
IBM’s zPDT Decision Risks Mid-Tier ISVs and Mainframe Innovation I’ve been a passionate mainframe (System z) advocate for over 45 years and a staunch supporter of IBM and most of their decisions. However, when I received an email from IBM on 30 September 2025...
Data Integrity Award Winners, Workload Automation in Industry Report, and more
IBM Announces New Platform for Financial Institutions and Regulated Enterprises Entering the Digital Asset Economy Precisely Announces 2025 Data Integrity Award Winners Driving AI Innovation, Business Impact, and Societal Good BMC Selected as Overall Leader for...