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Showing 227 results for the search term "John McDermott".


What Is Computer Security?

What is “computer security”? When Adrian Bryan and I set out to write our Introduction to System and Network Security course for Learning Tree some years ago, we needed to start with a definition. It served as a sort of goal or guiding light in writing the course materials. The definition is from Simson Garfinkel […]



Turn Left Two Times to 33

Turn left two times to 33… What the heck? Okay, so it’s an odd headline, but it has a very real meaning–to me at least, and I want it have one to you, too. When I was a young boy my father got me a safe so I could keep things away from my little […]


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