CICS Month
Sharing VSAM Between CICS and Batch: How the Routing Model Works
A look at how some z/OS shops have closed their batch windows by pushing batch I/O through the owning CICS region.Most CICS shops I have worked in carry the same operational habit: keep a nightly window open so that batch can update VSAM files without colliding with...
An Undocumented CICS Fix That Boosts Throughput and Cuts CPU
IBM has an undocumented fix to the CICS WEB interface that can optimize throughput and response time while also saving CPU. This article explains how to make it work for you. In the course of my current project, I had the pleasure of working with Ole Olsen at JN Data...
Scaling Up Credit Card Authorizations Volume with CICS API
Large banks and global payments processing companies specializing in commercial transactions processing need to substantially scale the volume of credit card authorizations for mobile and web point of service applications. Typically, their core transaction systems are...
Latest
Smarter Tech Decisions: Why “and” Wins Over “or”
In technology, we often present choices as binary decisions: replace or keep, mainframe or cloud. But what if this either/or mindset is limiting our potential? This realization struck me through an unexpected source: my home security system. A Lesson in Integration...
Mainframe Security in 2025: Countering New Threats, Using AI, and Getting the Basics Right
Introduction As we moved into 2025, two trends were front of mind for many of our clients: their continued efforts to achieve a Zero Trust security stance in the face of an evolving threat landscape, and the unstoppable rise of artificial intelligence – countering the...
The “Experience Required” Paradox: Companies Can’t Fill Roles, Workers Shut Out
This article originally appeared in Forbes on February 5, 2025. Reposted with permission. Breaking into a cybersecurity career has never been easy and today it’s more competitive than ever. At the same time, there is a well-documented cybersecurity talent shortage,...
The good, the bad and the ugly: generative AI and cybersecurity
Putting the AI into mAInframe security Artificial intelligence can be as much a help as a threat: a powerful tool in the hands of either the good, the bad or the ugly. Today’s threat landscape and cybersecurity requirements are more complex and challenging than ever....
Mainframes: Silent Giants of the Digital Era
In the whirlwind of technological advancements, it's easy to overlook the foundational pillars that support our digital world. Mainframes, often perceived as relics of a bygone era, continue to play a pivotal role in orchestrating the symphony of modern data. These...
Thoughts from a Mainframe on Halloween
It was a dark and stormy night in the data center. 🌩️ The fans hummed softly, and the LEDs blinked like little ghosts in the darkness. I had experienced many Halloween nights as a mainframe, but this one was different. There was an eerie presence in the air — and it...
Defense against the dark arts — mainframe security
Mainframers who thought the mainframe was too difficult a platform to hack are few and far between these days. However, mainframes can be hacked, and they are being hacked.In terms of security, what spells, incantations, and practices should organizations employ to...
Advancing Mainframe Security with Ethical Mainframe Hacking
Written by: David Bruce Put on your hoodie and head for a darkened room! Oh. Wait. Sorry, that’s just the movie version. Despite the stereotype, hackers are real, and they’re dangerous! It’s now their full-time job and they are doing it well. In July, ransomware...
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Upcoming Events
Events
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Virtual IMS User Group: Modernizing IMS Backup and Recovery – The Strategic Shift to Cloud Storage
Zoom - Virtual Meeting📅 July 14, 2026 🕦 11:30 AM ET As enterprise data volumes continue to grow and cyber threats become increasingly sophisticated, organizations are rethinking how IMS backup and recovery environments […]
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Virtual Db2 User Group | Mastering Access Path Management in Db2 for z/OS – Simplify, Optimize, Succeed
Zoom - Virtual MeetingThis session explores strategies for simplifying and optimizing access path management in Db2 for z/OS environments. Attendees will gain insight into techniques for improving query performance, reducing operational complexity, and […]
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Accelerating Mainframe Efficiency: Training and Onboarding Webinar
FeaturedReady to transform your mainframe training strategy? Join the second installment of the PopUp Mainframe Persona Webinar series for a dynamic exploration of cutting-edge mainframe training, featuring renowned industry experts […]
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SHARE Pittsburgh 2026
FeaturedSHARE Pittsburgh brings together mainframe IT professionals for five days of education, networking, and knowledge sharing. The conference program features expert-led sessions, hands-on learning, and forward-looking insights designed to help […]
❓Windows Meets the Mainframe
When Microsoft Windows emerged in the 1980s, it represented a very different vision of computing from the centralized, highly structured world of the mainframe. Windows powered the rise of personal computers and client-server systems, while mainframes continued...
Think 2026, Vertica Acquisition, and more
Think 2026: IBM Positions Mainframe Environments as Governed AI Infrastructure Rocket Software Completes Acquisition of Vertica®, Expanding High-Performance Analytics and AI for Mission-Critical Systems Kyndryl unveils agentic AI capability that proactively prevents...
❓The Unix Legacy Trivia
Like so many transformative innovations, the creation of UNIX was the unintentional outcome of a failed experiment—specifically with a time-sharing operating system called Multics for the GE-645 mainframe. While it was originally developed as a side project with...
News – AI, Modernization, and Mainframe Momentum: This Week’s Industry News
BMC Expands AI-Powered Mainframe Solutions IBM Introduces IBM Bob Premium Package for Z Kyndryl to modernize systems for North Carolina DMV AI Helped a Company Transition Off the Mainframe - and the Project Won an Award Kyndryl named a Leader in 2026 ISG Provider...
❓Linux: Tux in the Data Center
Our quiz today focuses on Linux, which Linus Torvalds originally created in the early 90s for x86 desktop hardware—about as far from a mainframe as you can get. But its life on mainframes has proved remarkably powerful. Through the mid-to-late 90s, Linux gradually...
NEWS – AI to Mainframe Modernization, Shaping the Future of Enterprise Computing, and more
U.S. Public Sector Applies AI to Mainframe Modernization IBM Announces Strategic Collaboration with Arm to Shape the Future of Enterprise Computing 21CS Establishes Strategic Partnership with Interskill Learning IBM Expands FedRAMP Portfolio with Authorization of 11...