IBM i 7.5: What’s New in IBM i Security – Software Engineering of America | Mainframe and AS400 News and Updates: IBM announced i 7.5 in May 2022 and it is now available to order and install. i 7.5 introduced a number of security changes to the operating system. Let’s look at what’s new with IBM i 7.5 security and where it can affect the average shop. Some of the key security changes introduced with IBM i 7.5 include: