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z/OS Security Assessments: What We Missed in 2015 vs. Today

z/OS Security Assessments: What We Missed in 2015 vs. Today

by Niall Ashley | Dec 5, 2025

My career has, over the nearly four years of working in this field, predominantly been comprised of RACF Administration and Engineering, interspersed with other opportunities that I foolishly volunteered myself for. Such opportunities have included writing articles,...

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Future-Proof Your Mainframe: Highlights from Vanguard 2025 and Enhancing Security with ACF2 TM and Top Secret®

Future-Proof Your Mainframe: Highlights from Vanguard 2025 and Enhancing Security with ACF2 TM and Top Secret®

by Milan Patel | Oct 9, 2025

At the recent Vanguard Security & Compliance 2025 event (VSC 2025), security leaders came together to address today’s toughest mainframe security challenges, ranging from credential theft to Zero Trust adoption. As a Platinum Sponsor, Broadcom highlighted how...

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Mainframe Penetration Testing: Why It Matters More Than Ever

Mainframe Penetration Testing: Why It Matters More Than Ever

by Mark Wilson | Oct 6, 2025

The goal is not disruption but discovery. For decades, mainframes have been at the heart of critical industries such as finance, healthcare, government, and retail. Since IBM introduced the System/360 in 1964, these systems have earned a reputation for being reliable,...

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

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