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❓ Workforce and Training Trivia

❓ 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...

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Looking Ahead to GS UK Conference 2025

Looking Ahead to GS UK Conference 2025

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...

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Why Human Error is the Mainframe’s Biggest Risk

Why Human Error is the Mainframe’s Biggest Risk

Mainframes have always had a bit of a superhero reputation: rock-solid, ultra-secure, and always up. They’ve powered banks, airlines, and governments for decades without so much as blinking. But I want to share an uncomfortable truth: even the most secure systems in...

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TRIVIA – Penetration Testing

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...

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How to solve the Data Privacy issue for test data

How to solve the Data Privacy issue for test data

You may be aware of data privacy regulations such as Europe’s GDPR (General Data Protection Regulation) or California’s CCPA (California Consumer Privacy Act) that, among other things, ban you from using production data with personally identifiable information, such...

CICS Security – ADCD and Dallas Z ISV RDP

CICS Security – ADCD and Dallas Z ISV RDP

In RACF security terminology, CICS is a resource manager. Resource manager security can be enabled or disabled. Dallas Z ISV RDP provided CICS security is disabled. Why? CICS manages many resources where enabling security requires decisions about which specific CICS...

IT Security is Business-Critical: And I Hate it…

IT Security is Business-Critical: And I Hate it…

Okay, that's it - I hate IT security. And I really think that many folks in IT are actually like Mordac, the Preventer of IT, from the Dilbert comic strip. Okay, that’s not fair... Allow me to back up just a bit to explain where I'm coming from. Recently, one of my...

Security complacency: is your mainframe at risk?

Security complacency: is your mainframe at risk?

This has been a fine summer. And I’m not talking about the weather: I mean the whopping fines proposed for infringements of the General Data Protection Regulation (GDPR) by Marriott Hotels and British Airways, followed by an even bigger fine in the US for Equifax –...

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More Mainframe Lingo Trivia

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...

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❓ History of Artificial Intelligence Trivia

❓ 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...

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