Before we can begin to discuss security, we really have to define some key computer terms and concepts. You do not have to memorize this stuff, and it’s okay if you don’t follow everything here. There’s a glossary at the end of this book that you can refer to for quick help, or you can return here if you want to refresh your memory. But for the rest of this book to make sense, I need to get you up to speed on the basics of how computers and the Internet work. I’m trying to cover all the bases here, so if you see a topic you already understand, feel free to skip it or just skim it. I’ve ...
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