Security Month
Presented by Vertali
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,...
A Breakthrough in Mainframe Storage Efficiency
Broadcom has delivered a first in mainframe storage with the Virtual Storage Adapter (VSA) enhancement to CA 1™ Flexible Storage™. This new feature lets you have your cake and eat it too – achieve high-performance virtual tape storage without the traditionally higher...
Mainframe Security Isn’t What It Used to Be – How CICS and LE Are Fighting Back
This article updates a 2022 piece in Cheryl Watson’s Tuning Letter, “LE Non-Executable HEAPS and CICS User Experiences” by Mario Bezzi. Current Tuning Letter subscribers can read the original article online. Think your mainframe is immune to modern cyber threats?...
The Crippling Pain of Data Loss
Mainframe Reporting and Saving Data: Why Backups Are Non-Negotiable I’ve spoken with countless output management customers, and I’m alarmed by a recurring theme: many lack not only a robust backup strategy but also fail to practice their restores. This gap leaves them...
Part 2: My experience with IBM MFA on z/OS
After publishing “Strengthening Enterprise Security with IBM Multi-Factor Authentication,” I’m excited to share part two: my hands-on experience implementing and using multi-factor authentication (MFA) on z/OS. Before discussing the practical aspects, it’s important...
Time to Rethink Db2 Disaster Recovery
For a long time, disaster recovery (DR) in Db2 z/OS environments was mostly about getting systems back online after a major outage. Whether it was a hardware failure, a data center problem, or a natural disaster, the focus was on full system recovery, bringing the...
You May Know More About Security and IAM on the Mainframe Than You Think
For many, the mainframe can be a daunting subject – with misguided initial reactions of the platform as "legacy” technology that may be replaced by the cloud. Part of this angst and dismissiveness is because not everyone fully understands the true value of the...
Security Month
Presented by Vertali
Mainframe Security in 2025: Countering New Threats, Using AI, and Getting the Basics Right
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...
The “Experience Required” Paradox: Companies Can’t Fill Roles, Workers Shut Out
This article originally appeared in Forbes on February 5, 2025. Reposted with permission. Breaking into a cybersecurity career has never been easy and today it’s more competitive than ever. At the same time, there is a well-documented cybersecurity talent shortage,...
The good, the bad and the ugly: generative AI and cybersecurity
Putting the AI into mAInframe security Artificial intelligence can be as much a help as a threat: a powerful tool in the hands of either the good, the bad or the ugly. Today’s threat landscape and cybersecurity requirements are more complex and challenging than ever....
Mainframes: Silent Giants of the Digital Era
In the whirlwind of technological advancements, it's easy to overlook the foundational pillars that support our digital world. Mainframes, often perceived as relics of a bygone era, continue to play a pivotal role in orchestrating the symphony of modern data. These...
Thoughts from a Mainframe on Halloween
It was a dark and stormy night in the data center. 🌩️ The fans hummed softly, and the LEDs blinked like little ghosts in the darkness. I had experienced many Halloween nights as a mainframe, but this one was different. There was an eerie presence in the air — and it...
Defense against the dark arts — mainframe security
Mainframers who thought the mainframe was too difficult a platform to hack are few and far between these days. However, mainframes can be hacked, and they are being hacked.In terms of security, what spells, incantations, and practices should organizations employ to...
Advancing Mainframe Security with Ethical Mainframe Hacking
Written by: David Bruce Put on your hoodie and head for a darkened room! Oh. Wait. Sorry, that’s just the movie version. Despite the stereotype, hackers are real, and they’re dangerous! It’s now their full-time job and they are doing it well. In July, ransomware...
Security has no boundaries
In today's complex cybersecurity landscape, staying current with software updates is just one piece of the puzzle. To truly protect your organization, it's essential to prioritize comprehensive security measures beyond routine patching. How CrowdStrike Changed...
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Upcoming Events
Events
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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 […]
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North American Mainframe Technical Exchange – Plano, Texas – October 20 – 22, 2026
Virtual MeetingSave the Date! Learn more about the North American and Virtual Mainframe Technical Exchanges here.
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Virtual Db2 User Group | Safeguarding Your Data: A Comprehensive Guide to Db2 for z/OS Security Exit Routines
Zoom - Virtual MeetingThis session explores Db2 for z/OS Security Exit Routines and their role in strengthening enterprise data protection and access control strategies. Attendees will gain insight into how security exit routines […]
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Virtual CICS User Group | CICS Security Discovery
Zoom - Virtual MeetingMany CICS environments continue to rely heavily on transaction-level security, often resulting in users retaining access privileges that are no longer appropriate for their current roles. This session will provide […]
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...
Mainframe Jargon Challenge
Every technical field develops its own language, and the mainframe world is no exception. Whether we’re talking about the alphabet soup of multi-letter acronyms or terms that have been part of the platform for decades, mainframe jargon serves as a kind of shorthand...
AI Ranked as Top Priority, Lightwell at No Cost to Universities, and more
Rocket Software Study Reveals 94% of Financial Services Leaders Rank AI as a Top IT Priority IBM Study: One in Four Malicious Breaches are AI-Enabled, Costing Companies $6 Million on Average IBM and Red Hat Offer Lightwell at No Cost to Universities, NGOs and Think...
❓Mainframes at the Movies
With summer blockbuster season upon us, it’s time to turn our attention away from the workaday world of the datacenter to its fictional representation. Mainframes have made memorable appearances on both the big and small screen for decades—sometimes portrayed as...
Izzi Software Launches Z/XDC on Visual Studio Code to Speed Adoption and Boost Mainframe Debugging for the Future
New expansion to top debugging now available, integrating seamlessly into existing workflows and supporting young programmers by improving accessibility MINNEAPOLIS, August 3, 2026 — Izzi Software, owner of ColeSoft, the leading provider of debugging solutions for IBM...