Information security (IS) is very much like warfare. That should come as no surprise. We have the bad guys (hackers) trying to do evil to the good guys (innocent individuals and corporations). OK, maybe not so innocent - but you get the general idea. So it should come as no surprise to find the language of warfare surfacing in IS contexts. Today we're going to look at one of the terms: the demilitarized zone (DMZ). In IS, a DMZ is a portion of a private network through which all inbound and all outbound traffic must pass, and which provides a series of security mechanisms to protect the internal network from attack from the outside world. In today's snack, I'll explain the concept and some fairly common configurations.

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