Security Month

Presented by Vertali

TRIVIA – Penetration Testing

TRIVIA – Penetration Testing

Mainframes have long been known for their unmatched reliability and security—but even the most trusted systems can hide surprises beneath the surface. As technology evolves, so do the tactics of those trying to exploit it. Penetration testing (pen testing), or...

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Surveys, security and spaghetti

Surveys, security and spaghetti

Mark Wilson reflects on the findings of a recent mainframe survey, explaining why security should be the number one priority, and why we need to start talking about complexity and observability. I read with interest the highlights of the Arcati Mainframe survey 2024,...

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Ransomware Attacks and your Health

Ransomware Attacks and your Health

Artificial intelligence (AI) is becoming more common place, and many people have used things like ChatGPT, a popular generative AI (GenAI) that can answer questions, write essays and poems, or summarize a book. However, like most things, AI can also be turned to the...

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Register for GS Forge 2026 taking place this November 2–5

Security Month

Presented by Vertali

Db2 for z/OS: SEPARATE_SECURITY and SECADM

Db2 for z/OS: SEPARATE_SECURITY and SECADM

 In the Db2 for z/OS module called DSNZPARM (ZPARM, for short), which provides the configuration settings for a Db2 subsystem, there is a parameter named SEPARATE_SECURITY. This ZPARM was introduced with Db2 10, and its purpose is to enable a Db2 for z/OS-using...

Quantum Safe Cryptography Overview

Quantum Safe Cryptography Overview

Quantum Safe Cryptography The Problem – Current Cryptography is Vulnerable to Quantum Computing Cryptography experts believe that by 2030 quantum computers will be advanced enough to cut the strength of symmetric key algorithms (such as AES, 3DES and RC4) by half, and...

Hide your privates

Hide your privates

My mac had turned into a bit of a mess. I had ssh private keys (that use Passphrases of course!) in a variety of places and I wasn’t very happy about it. I have several different servers that I connect to. There are a few GitHub systems, a Linux system, and of course...

Recover Quickly With Surgical Precision

Recover Quickly With Surgical Precision

Resiliency is an integral part of the IBM Z platform. The IBM Z Cyber Vault solution is a concept for addressing data corruption whether through malicious intent, human error or failure of hardware or software. It provides an air gapped backup of the operating...

How to solve the Data Privacy issue for test data

How to solve the Data Privacy issue for test data

You may be aware of data privacy regulations such as Europe’s GDPR (General Data Protection Regulation) or California’s CCPA (California Consumer Privacy Act) that, among other things, ban you from using production data with personally identifiable information, such...

CICS Security – ADCD and Dallas Z ISV RDP

CICS Security – ADCD and Dallas Z ISV RDP

In RACF security terminology, CICS is a resource manager. Resource manager security can be enabled or disabled. Dallas Z ISV RDP provided CICS security is disabled. Why? CICS manages many resources where enabling security requires decisions about which specific CICS...

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Upcoming Events

  • Virtual Db2 User Group | My All-Time Db2 Top Ten Lists

    Virtual Meeting

    Date: 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 […]

❓Mainframes at the Movies

❓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...

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What to Expect at SHARE Pittsburgh

What to Expect at SHARE Pittsburgh

With SHARE Pittsburgh approaching, SHARE President Art Gutowski joined Planet Mainframe to talk about what attendees can expect—and why the conference remains valuable for both newcomers and longtime mainframe professionals. Gutowski is nearing the end of his...

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What the New IBM z17 Rack-Mount Systems Bring to the Table

What the New IBM z17 Rack-Mount Systems Bring to the Table

The z17 goes small, and I think that’s rather clever. On July 7, 2026, IBM announced new configurations of the z17, and for the first time ever, you can now get a rack-mount option right across the Z and LinuxONE portfolio. Not a new processor, not a new architecture,...

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❓ROI, Business Case, and Tuning for Value: Round Two

❓ROI, Business Case, and Tuning for Value: Round Two

This month at Planet Mainframe Trivia, we've been exploring how organizations maximize the value of their mainframe investments. Creating value doesn't end once a project is approved. Organizations continually look for ways to improve performance, optimize resources,...

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