There was a time when mainframes were in a world of their own, separated from other computing platforms. A world where even the mainframe staff seldom mixed with the distributed people, and managers had no idea what the mainframe did or how it did it. People who...
To be honest, mainframes are pretty secure, aren’t they? We’ve had RACF and other External Security Managers (ESMs) for years. On top of that, the new z14 gives us pervasive encryption. And there are any number of logs recording what’s going on on Z, and we can run...
Mainframe files/datasets are liable to change quite often. After all, people are using those files so they are likely to be modified/updated. So how could you tell whether there had been a legitimate change to the file or it had been hacked? How can you verify that...