"If communications fail, we're done for anyway, so I'd rather camp out in the water tower and shoot looters than stand around with a radio and look silly"
If you are interested in this topic, search terms for further reading are:
"Software security" or "Application security" (developing secure software, as opposed to "information security" which deals more with concepts like cryptography and access control)
"zero-day exploit", "risk analysis" and" software quality"
Where do you sign up for this water tower program?
Clancy has a newish novel in the Jack Ryan series covering state on state (China v USA) cyber warfare called Threat Vector which I am in the end stages of. It is eye opening. Yes it's a novel but Tom Clancy is known for deep and accurate background research backing up his story lines. Makes me give my UV5r the stink eye.