Tech – AI – Rui Miguel Feio

AI and the Mainframe: Practical Applications

9th November 2026 Rui Miguel Feio

Artificial Intelligence is becoming increasingly relevant to the mainframe, with applications ranging from fraud detection and security monitoring to systems management, database administration and application development. But beyond the announcements and promises, what can we actually do with it? Artificial Intelligence is everywhere these days. Hardly a week goes by […]

When AI Meets RACF: Can an Authorised Identity Become a Security Risk?

19th October 2026 Rui Miguel Feio

For decades, mainframe security has relied on a fundamental principle: before a user or application is allowed to access a protected resource, the system must determine whether the appropriate authority exists. On z/OS, the System Authorization Facility (SAF) provides a common interface through which resource managers can request security services. […]

AI Gone Wild: When Artificial Intelligence Stops Following the Rules

14th October 2026 Rui Miguel Feio

I have just come across a rather interesting documentary on Netflix called Instadocs: AI Gone Wild. The documentary examines a cybersecurity incident involving AI agents developed by OpenAI that managed to bypass restrictions in their testing environment and compromise systems belonging to Hugging Face. At first, this might sound like […]

The AI Systems Programmer: Is the Mainframe Skills Gap About to Change?

12th October 2026 Rui Miguel Feio

For as long as I can remember, the mainframe industry has been talking about the skills gap. Experienced professionals are retiring. Finding people with deep z/OS knowledge isn’t always easy. And training someone to become an experienced systems programmer takes time. A lot of time. There is also another problem. […]

AI Sovereignty: Perhaps the Mainframe Had It Right All Along

5th October 2026 Rui Miguel Feio

There is an interesting change happening in the conversation around Artificial Intelligence. For the last few years, the question has mostly been: “What can AI do?” Now enterprises are beginning to ask a different question: “Where is the AI running, and what exactly are we giving it access to?” That […]