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IBM z17 NTS Enhancements: Securing Time Synchronization

IBM z17 NTS Enhancements: Securing Time Synchronization

by Steve Guendert PhD | Dec 9, 2025

In October 2025, Planet Mainframe published the first article of this two-part series on IBM z17 Time Synchronization Enhancements. That article focused on time synchronization resiliency and accuracy enhancements introduced on IBM z17. This article continues with a...

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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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🎧 Today’s Modernization is AI and Mainframes – featuring Venkat Balabhadrapatruni

🎧 Today’s Modernization is AI and Mainframes – featuring Venkat Balabhadrapatruni

by Amanda Hendley | Nov 13, 2025

In a Planet Mainframe podcast, Amanda Hendley, Managing Editor at Planet Mainframe, sat down with Venkat Balabhadrapatruni, a solution architect at Broadcom Software and 2025 IBM Champion. They discussed the company’s strategy for bringing modern AI capabilities to...

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Why Human Error is the Mainframe’s Biggest Risk

Why Human Error is the Mainframe’s Biggest Risk

by James Loftus | Oct 30, 2025

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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Mainframe Security: The Quiet Frontline of Enterprise Defense

Mainframe Security: The Quiet Frontline of Enterprise Defense

by Amanda Hendley | Oct 23, 2025

For decades, the mainframe has been viewed as one of the most secure computing platforms on Earth. With tightly controlled access, centralized data management, and unmatched reliability, it earned its reputation as the “fortress” of enterprise IT. But, as evidenced in...

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The Heat is on. What 2025 Cyber Attacks in the UK Teach Us About Mainframe Security

The Heat is on. What 2025 Cyber Attacks in the UK Teach Us About Mainframe Security

by Leanne Wilson | Oct 21, 2025

Vertali’s Leanne Wilson reflects on a year of cyber attacks and what needs to happen now. 2025 was quite a year for cyber attacks. The UK in particular experienced a significant surge, with 43% of businesses reporting at least one incident and an astounding 91% of...

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Kev Milne Brings Mainframe Pen Testing to Life with open-source Gibson

Kev Milne Brings Mainframe Pen Testing to Life with open-source Gibson

by Andy McCandless | Oct 16, 2025

In the second episode of The Mainframe Book Club, host Andrew (Andy) McCandless talks with Kev Milne, Cyber Threat Intelligence Manager at NatWest Bank, and one of the few professionals focused on mainframe penetration (pen) testing.A Platform Born from Missing Skills...

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Simplifying Mainframe Security in 2025, featuring Ravi Patil ▶️

Simplifying Mainframe Security in 2025, featuring Ravi Patil ▶️

by Amanda Hendley | Oct 15, 2025

Simplifying Mainframe Security with Broadcom As hybrid IT environments expand, so do the risks. In this video, Broadcom’s mainframe security expert, Ravi Patil, Director of Cybersecurity and Compliance, breaks down how compliance, continuous monitoring, and smarter...

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The Paradox of Mainframe Security: Most Secure Yet Still Vulnerable

The Paradox of Mainframe Security: Most Secure Yet Still Vulnerable

by Sarah Maloney Beckel | Oct 10, 2025

The most secure system in the world is also vulnerable. Mainframes remain the backbone of critical infrastructure—but they are not immune to modern threats. Some still see mainframes as unbreakable fortresses, while others view them as legacy systems lagging in modern...

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The Top Four Infrastructure Capabilities for Enterprise Security and Compliance

The Top Four Infrastructure Capabilities for Enterprise Security and Compliance

by Robert Enochs | Oct 3, 2025

Rising Stakes of Data Protection As our modern world becomes increasingly digital, data’s value has never been higher—and the challenge of protecting it has never been so great. While the global average cost of a data breach dipped 9% in the past year due to advances...

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