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Arcati 2026 | Business Dependence and Centrality

Arcati 2026 | Business Dependence and Centrality

Is the mainframe still central to business operations — and has that changed? The 2026 survey confirms that the mainframe remains central to enterprise operations. As in 2025, a majority of respondents report that more than half of their organization’s revenue or...

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Arcati 2026 | Business Dependence and Centrality

Arcati 2026 | Profile of Respondents

The 2026 Arcati Mainframe User Survey, conducted in late 2025 and early 2026, reflects responses from validated participants and includes a comparable number of retained responses to the 2025 and 2024 surveys, providing a stable foundation for year-over-year...

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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 –...

Summer – the season for cyber attacks

Summer – the season for cyber attacks

Keeping your mainframe secure is probably one of your top priorities. You’re looking at cryptography and introducing multi-factor authentication (MFA). You may even be running SIEM software to keep up-to-date with what’s happening on your mainframe (and elsewhere)....

Breach recovery – the fast and the furious!

Breach recovery – the fast and the furious!

Your organization has had a data breach. You’ve managed to confirm that it’s not a false alarm, it really is an issue. And now you need to recover from it. What do you do? The US Commerce Department’s National Institute of Standards and Technology (NIST) has produced...

Securing data in transit

Securing data in transit

One way of looking at mainframe data is that it is either at rest or in transit. Data at rest is data that is not actively moving from device to device or network to network such as data stored on DASD or tape or some other way. Sometimes, data at rest is thought to...

Pervasive encryption concerns

Pervasive encryption concerns

In today’s treacherous world of constant hacking threats and corresponding data breaches, IT security and breach prevention has become a top-line concern for everyone in large IT organizations. With over six million data records lost or stolen every day – that’s...

Multi-Factor Authentication

Multi-Factor Authentication

There was a time when mainframes were in a world of their own, separated from other computing platforms. A world where even the mainframe staff seldom mixed with the distributed people, and managers had no idea what the mainframe did or how it did it. People who...

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Upcoming Events

❓2026 Arcati Survey Trivia

❓2026 Arcati Survey Trivia

Welcome to this week’s Planet Mainframe trivia quiz! On the heels of the 2026 Arcati Survey Results release, this round of trivia focuses on changes underway.  Workforce demographics are shifting, new generations are entering mainframe computing fields (and through...

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❓Python Programming Trivia

❓Python Programming Trivia

We often describe Python as a “modern” language, but its story spans decades of technological change, cultural shifts, and unexpected platforms. What began as a small side project in the Netherlands evolved into one of the most widely used programming languages in the...

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❓Mainframe Professional Skills Trivia

❓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...

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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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