Tech – Articles – Rui Miguel Feio

Recent Articles

[ 28th December 2018 ] UNIX System Services, the Back Door to Your Mainframe Tech - Articles
[ 1st November 2018 ] RACF Utility IRRDBU00 RACF
[ 25th October 2018 ] The OWNER of a RACF Resource RACF
[ 13th October 2018 ] How to Invoke USS from z/OS Batch Jobs JCL
[ 22nd August 2018 ] RACF Commands vs Authorities and RACF Attributes RACF

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 […]