Chapter 3. Defense in Depth

This chapter covers the following subject:

As technology continues to advance, network perimeters are becoming difficult to define. A secure perimeter can be difficult to maintain and no longer offers sufficient protection for a network. The most effective way to maintain a secure network is to implement layers of defense. This chapter looks at the combination of security devices, policies, and procedures that combine to make up a layered defense.

“Do I Know This Already?” Quiz

The purpose of the “Do I Know This Already?” quiz is to help you decide whether you really need to read the entire chapter. If you already intend to read the entire chapter, you do not necessarily need to answer these ...

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