Security Month
Presented by Vertali
z/OS vs. VSEⁿ: Why More Security Features Don’t Guarantee Better Protection
Compare how z/OS and VSEⁿ handle access control, threat detection, and cyber recovery – and what those differences mean for your workloads. A fair comparison of z/OS vs. VSEⁿ security starts with business requirements, operational risks, and recovery needs. ...
Db2 Cyber Recovery: Closing the Recovery Point Gap
Closing the Gap: IBM Z® Cyber Vault and IBM® Db2® Recovery Expert Pro for z/OS® An unplanned outage can devastate business continuity. Enterprises do everything they can to prevent this. With the current abundance of AI and access to domain expertise for everyone,...
Inside IBM’s 2026 z/Resilience Conference: What Mainframers Should Know
In this first-person piece, Robi Singh shares what he learned in Rome about the changing demands of mainframe resilience—from regulation and cyber recovery to GDPS, AI, and quantum-safe security.The z/Resilience Conference is known for bringing together mainframe...
You Can Now Carry a Teaching Mainframe in Your Bag
For years I have told mainframe security newcomers the same thing: If you want to learn how to attack and defend a system, you need to use that system. Unfortunately, z/OS is not something you spin up on a laptop over lunch or throw into your home lab. Mainframe...
Modernize Security with ACF2 and Top Secret Version17.0
In the world of security, many things have changed since the last release of ACF2 and Top Secret. Credential-based attacks are up - compromised credential-based attacks cost organizations $4.67m annually, while being the initial attack vector 10% of the time¹....
The Need for Effective Change Management
Introduction Over the last few years there has been an ever-increasing number of widely publicised problems involving notable corporate organisations and the failings of their IT systems. Incidents of ransomware, hacking and phishing are becoming worryingly...
Extending the Security Stack: Red Teaming, Scenarios, Risks, and Reality
Mainframes hold the heart of the most critical business processes in finance, healthcare, and government. Yet many security programmes still draw a neat line around them, treating z/OS as out of scope for red teaming, scenarios, and cyber risk quantification. This...
The Open Mainframe Project Has a Trust Problem — And the Mainframe Can’t Afford It
Open Mainframe Project Security Concerns I was chatting with a mainframer buddy the other day, and he expressed some concerns about the overall code security of the Open Mainframe Project (OMP), particularly around member vetting. So, I spent a bit of time digging...
Security Month
Presented by Vertali
Inside IBM’s 2026 z/Resilience Conference: What Mainframers Should Know
In this first-person piece, Robi Singh shares what he learned in Rome about the changing demands of mainframe resilience—from regulation and cyber recovery to GDPS, AI, and quantum-safe security.The z/Resilience Conference is known for bringing together mainframe...
You Can Now Carry a Teaching Mainframe in Your Bag
For years I have told mainframe security newcomers the same thing: If you want to learn how to attack and defend a system, you need to use that system. Unfortunately, z/OS is not something you spin up on a laptop over lunch or throw into your home lab. Mainframe...
Modernize Security with ACF2 and Top Secret Version17.0
In the world of security, many things have changed since the last release of ACF2 and Top Secret. Credential-based attacks are up - compromised credential-based attacks cost organizations $4.67m annually, while being the initial attack vector 10% of the time¹....
The Need for Effective Change Management
Introduction Over the last few years there has been an ever-increasing number of widely publicised problems involving notable corporate organisations and the failings of their IT systems. Incidents of ransomware, hacking and phishing are becoming worryingly...
Extending the Security Stack: Red Teaming, Scenarios, Risks, and Reality
Mainframes hold the heart of the most critical business processes in finance, healthcare, and government. Yet many security programmes still draw a neat line around them, treating z/OS as out of scope for red teaming, scenarios, and cyber risk quantification. This...
The Open Mainframe Project Has a Trust Problem — And the Mainframe Can’t Afford It
Open Mainframe Project Security Concerns I was chatting with a mainframer buddy the other day, and he expressed some concerns about the overall code security of the Open Mainframe Project (OMP), particularly around member vetting. So, I spent a bit of time digging...
IBM z17 NTS Enhancements: Securing Time Synchronization
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...
z/OS Security Assessments: What We Missed in 2015 vs. Today
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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Upcoming Events
Events
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GS UK Forge26
FeaturedDates: November 2–5, 2026 Location: Whittlebury Hall, Northamptonshire Why "forge"? The word operates on three levels simultaneously. As a place where skilled people gather around a specific, essential craft, bringing […]
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Virtual Db2 User Group | My All-Time Db2 Top Ten Lists
Virtual MeetingDate: November 17, 2026 - 11:30am ET Presenter: Craig Mullins What do Db2 performance, application development, database administration, and David Letterman have in common? Top Ten lists, of course! Join […]
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Virtual Db2 User Group | November 17, 2026
Zoom - Virtual Meeting -
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Virtual CICS User Group | Latest Update on Security in CICS TS 6.3: The Journey to Zero Trust
Zoom - Virtual MeetingCICS has been advocating zero trust principles and introducing security-focused enhancements since CICS TS 6.1. This session will explore the latest security capabilities available in CICS TS 6.3 and how […]
Acquisitions for Agentic AI, Innovation Incubator Launched, and more
Rocket Software Announces Acquisition of Geniez AI to Accelerate Agentic AI for Mainframe Modernization BMC Announces Tarun Chopra as SVP and GM of Intelligent Z Optimization and Transformation Marist University and IBM Launch Innovation Incubator with IBM z17,...
Cybersecurity Trivia Challenge: Spot the Security Gap
October is Cybersecurity Awareness Month, and this week’s Trivia Challenge puts you in the reviewer’s seat. Each question presents a short scenario involving mainframe data, applications or operations. Your task is to spot the security gap supported by the given...
IBM Expands Its Digital Banking Infrastructure, Agentic AI on the Mainframe, and more
Kyndryl Report: As AI Broadens Modernization Agenda, Leaders Prioritize Business Outcomes Over Replacing Legacy Systems IBM Expands Its Digital Banking Infrastructure with Swift Integration and Digital Asset Haven On-Premises Rocket Software Advances Governed, Agentic...
Agentic AI on the Mainframe
It’s AI month at Planet Mainframe, and for Round Two of our Trivia Challenge, we’re turning to agentic AI. On the mainframe, this emerging technology is moving beyond answering questions and generating code. Agents can interpret goals, reason through multi-step...
Risk and Compliance Portfolio for IBM Z Environments, IBM Z Datathon, and more
Rocket Software Launches Rocket® z/Assurance™, a Risk and Compliance Portfolio for IBM Z® Environments IBM Z Datathon: Build AI for Good. In 24 Hours. At Global Scale. Broadcom 2026 North American Mainframe Technical Exchange LTM Collaborates with IBM and Red Hat on...
❓Think You Know Mainframe AI
Mainframes have powered intelligent decisions for decades. Today, artificial intelligence (AI) takes that role further – spotting fraud as transactions happen, anticipating workload demands, helping developers understand legacy code, and strengthening system...