Security Month

Presented by Vertali

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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Security Month

Presented by Vertali

Make Security Your Competitive Advantage

Make Security Your Competitive Advantage

“If you spend more on coffee than on IT security, you will be hacked.”  That was according to Richard Clarke, former special advisor on cybersecurity to the US President. He added, “What’s more, you deserve to be hacked,” which does seem a little harsh. Maybe...

Securing CICS with RACF

Securing CICS with RACF

Implementing CICS Security with RACF can be a complex and demanding process. In order to do it to a level that creates a good balance can take time and requires good knowledge and understanding of both CICS and RACF. So I will explain the various steps in securing...

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...

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Upcoming Events

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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