Linux aficionados and computer security experts -- not to mention many IT writers -- are known to use a couple of terms with, well, not-easily-discernable definitions when they talk about Linux security. Problem is, you need to know these terms to understand discussions about computer security (and, of course, to communicate effectively with security vendors).
To help you, here's a vocabulary "cheat sheet" that covers some of the more commonly used terminology relevant to Linux implementations. While it's not a complete list of security terms, it does include the ones all administrators should be familiar with.

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