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Cheryl Watson’s Tuning Letter Delivers z/OS Tuning, Hardware Picks, and Performance Tips

Cheryl Watson’s Tuning Letter Delivers z/OS Tuning, Hardware Picks, and Performance Tips

by Mark Wilson | Aug 5, 2025

We are delighted to announce that Cheryl Watson's Tuning Letter 2025 No.2 is now available. If you haven't already subscribed, now is your chance to discover the most comprehensive body of practical and impartial z/OS, and MVS tuning and measurement advice ever...

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Mainframe Security in 2025: Countering New Threats, Using AI, and Getting the Basics Right

Mainframe Security in 2025: Countering New Threats, Using AI, and Getting the Basics Right

by Leanne Wilson | Feb 21, 2025

Introduction As we moved into 2025, two trends were front of mind for many of our clients: their continued efforts to achieve a Zero Trust security stance in the face of an evolving threat landscape, and the unstoppable rise of artificial intelligence – countering the...

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The cover for Cheryl Watson's Tuning Letter Issue for 2025 Volume 2

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