ABEND

For those who think "mainframes are dead", or worse yet boring - here's a few tidbits about current mainframes.  They can be just as vulnerable as "regular" computers.  :-)

https://isc.sans.edu/diary/The+80%27s+called+-+They+Want+Their+Mainframe+Back%21/14869

BTW, here's another resource:

http://iase.disa.mil/stigs/os/mainframe/z_os.html

Unfortunately, I couldn't find the WOPR STIG - but I'll keep looking.