Tech – Articles – Rui Miguel Feio

Recent Articles

[ 19th October 2026 ] When AI Meets RACF: Can an Authorised Identity Become a Security Risk? RACF
[ 14th October 2026 ] AI Gone Wild: When Artificial Intelligence Stops Following the Rules Documentaries
[ 12th October 2026 ] The AI Systems Programmer: Is the Mainframe Skills Gap About to Change? Tech - AI
[ 5th October 2026 ] AI Sovereignty: Perhaps the Mainframe Had It Right All Along Tech - AI
[ 21st September 2026 ] AI on the Mainframe Is Moving from Experimentation to Production Tech - Mainframe

Unveiling Mainframe Society: Connecting Mainframers Worldwide

17th January 2024 Rui Miguel Feio

Embracing a visionary goal to revolutionise the Mainframe landscape, a groundbreaking platform emerges, dedicated to uniting and empowering the global Mainframe society. With an unwavering commitment to nurturing knowledge, fostering learning, and cultivating cultural connections, this platform embarks on a mission to shape the future of Mainframe technology. At its […]

Outsourcing the Mainframe? Should This Include Mainframe Security?

25th March 2019 Rui Miguel Feio

Last month I wrote another article for SHARE’s Security Corner that I’m reproducing below. This article and others can be accessed for free at SHARE’s website. Many IT organizations see outsourcing as a viable solution to the problem of declining skills in their mainframe team. The outsourcer will take the […]

Tech - Articles

UNIX System Services, the Back Door to Your Mainframe

28th December 2018 Rui Miguel Feio

This is a recent article I have written for SHARE for the Security Corner. This article and others can be accessed for free at SHARE’s website. For the typical mainframer, any system that does not have the letter z at the beginning of its name is not really a system […]

Mainframe, the most secure IT platform in the world?

26th July 2016 Rui Miguel Feio

When I first started working in mainframe back in the 1990s, I was told that the mainframe was the most secure platform in the world and that it was impossible to hack it. For many years I thought this was true. Now in 2016, and after working in IT security […]