What’s Inside – Cheryl Watson’s Tuning Letter

What’s Inside – Cheryl Watson’s Tuning Letter

The latest Tuning Letter, 2025 No.3, is out now! Subscribers to Cheryl Watson’s Tuning Letter can find the latest issue, 2025 No.3, on our Tuning Letter website. If you are not a current Tuning Letter subscriber, check the website for information about subscription...

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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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Don’t Buy More MIPS – Do This Instead

Don’t Buy More MIPS – Do This Instead

The Cost of the Wrong Choice The adage says, “You’ve got to spend money to make money.” But in the world of mainframes, that’s not always true. You can often spend the same amount and still save money. For example, a 1% increase in your mainframe IT budget can yield...

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