Mainframes hold the heart of the most critical business processes in finance, healthcare, and government. Yet many security programmes still draw a neat line around them, treating z/OS as out of scope for red teaming, scenarios, and cyber risk quantification. This...
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...
Do more at the Core. Built to Learn, Engineered to Lead. The GS-UK In-Person Conference 2025 will be held on Monday, 3 November to Thursday, 6 November 2025, at Whittlebury Hall, Northamptonshire. This year’s theme is Do more at the Core. Built to Learn, Engineered to...
CICS observability just got a major boost. At the September Virtual User Group, experts from IBM and Broadcom explored how CICS 6.3 is bringing OpenTelemetry, traces, metrics, and logs into the spotlight—making the mainframe as observable as any modern platform. Read...
Observability Significance “Observability depends on stitching together the story of a transaction as it moves across subsystems.” IBM OMEGAMON suite and software have been a staple of Z monitoring for decades, reducing outages by empowering operations teams and...
Planet Mainframe brought together thought leaders and experts to celebrate CICS's 55th birthday. From AI-infused monitoring to API turbocharging, CICS proudly proved it was anything but obsolete. Here’s what stood out and why CICS users should be excited about what’s...
IT environments are increasingly complex to manage, and overburdened administrators are tasked with refining them, keeping them secure, and preventing downtime.Mainframes are critical to that infrastructure, as they process and store billions of transactions worth of...
This article updates a 2022 piece in Cheryl Watson’s Tuning Letter, “LE Non-Executable HEAPS and CICS User Experiences” by Mario Bezzi. Current Tuning Letter subscribers can read the original article online. Think your mainframe is immune to modern cyber threats?...
Marsh McLennan’s journey to transform a crucial 3270 application into a modern web interface Modernizing business applications is a critical need for many large enterprises that rely on these powerful legacy systems for their core operations. This blog post...
During my studies in the former German Democratic Republic (GDR), also known as East Germany, I immersed myself in the world of programming languages. My first companions on this journey were PL/1 and the ubiquitous assembler ASM370. Why these two? Well, the...
