Introduction

I often say that you earn the real payoff from a well-designed certification exam by carefully working through its objectives. Sure, having a pretty certificate to hang on your wall is nice. But the skills and understanding you'll gain from hitting all the key points of a program like this Security Essentials cert will take you a whole lot further.

The moment we connect our phones, laptops, and servers to the Internet, we're all living in a very dangerous neighborhood. And there's no single “set-it-and-forget-it” solution that'll reliably keep all the looming threats away. The only way you can even hope to protect yourself and your digital resources is to understand the kinds of vulnerabilities that could affect your infrastructure ...

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