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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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Who’s afraid of the Big Bad Wolf?

Who’s afraid of the Big Bad Wolf?

Or: We need to talk about mainframe hacking There’s an elephant in the room says Mark Wilson. It’s mainframe-sized, at serious risk of being hacked, and its name is Z. “The only thing we have to fear is fear itself.” That was US president Franklin D. Roosevelt at his...

Validating your files

Validating your files

Mainframe files/datasets are liable to change quite often. After all, people are using those files so they are likely to be modified/updated. So how could you tell whether there had been a legitimate change to the file or it had been hacked? How can you verify that...

Is your business affected by GDPR?

Is your business affected by GDPR?

What GDPR Means for Mainframe Storage, Archive and Backup On April 27, 2016, the European Union passed regulation 2016/679, more popularly known as the General Data Protection Regulation (GDPR). On May 25, 2018, GDPR implementation began, and enforcement activities...

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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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