Security Month
Presented by Vertali
Mainframe under siege: Big Iron needs big-time cyber resilience
Mainframes have always carried a certain reputation. Big iron. Rock solid. Secure by design. The systems quietly humming away in the corner while the rest of IT panicked about the latest breach or ransomware headline. For a long time, that reputation was deserved....
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...
Security Month
Presented by Vertali
Mainframe under siege: Big Iron needs big-time cyber resilience
Mainframes have always carried a certain reputation. Big iron. Rock solid. Secure by design. The systems quietly humming away in the corner while the rest of IT panicked about the latest breach or ransomware headline. For a long time, that reputation was deserved....
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...
Sign up to receive the latest mainframe information
Upcoming Events
Events
-
-
An Introduction to SYSVIEW Performance Management
Monitoring and Managing z/OS and its Subsystems Content by Broadcom Mainframe Software New to SYSVIEW? Discover how to maximize your performance management tool in this foundational session. We will cover SYSVIEW's […]
-
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 […]
-
The Enterprise AI Reality Check: Trust, Security, and Operational Intelligence
FeaturedAI has captured the attention of virtually every enterprise. Yet many organizations continue to struggle with a critical question: Can AI be trusted to make recommendations in complex, mission-critical mainframe […]
-
Workload Automation (CA 7 & ESP) User Group Workshops & Event
Register now for the Workload Automation (CA 7 & ESP) User Group Workshops & Event Night October 19, 2026 | Plano, Texas We are excited to announce WLA (CA 7 […]
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...
Next-Generation Dual-Architecture Processor, Advances in AI Enablement for Application Modernization, and more
IBM Unveils Next-Generation Dual-Architecture Processor for IBM Z and LinuxONE BMC Survey Finds 94% Confidence in the Mainframe as Enterprises Scale AI With Human Oversight Rocket Software Advances AI Enablement for Application Modernization Across Mission-Critical...
Partnership to Accelerate Secure AI Deployment, Introduction of New Agentic Modernization, and more
IBM Partners with OpenAI to Accelerate Secure AI Deployment for Enterprises Across Core Operations Kyndryl Introduces New Agentic Modernization Services-As-Software Scaled Through Kyndryl Bridge BMC Achieves the AWS AI Competency Kyndryl Named 2026 CIO 100 Award...