Chapter 20. Defending Against Computer Viruses

After reading the previous chapter, you should be convinced that the threat represented by computer viruses is a real one, and that your PC may be at risk of contracting a potentially destructive infection. What can you do to reduce your risk, and prevent future attacks?

Fortunately, there’s a lot you can do to protect your system. And, if you follow all the advice in this chapter, you can greatly reduce your risk of being infected by most known types of viruses.

How Do You Know Whether Your Computer Is Infected?

Here’s the big question: How do you know whether your computer system has been infected with a virus?

In general, whenever your computer starts acting different from normal, it’s possible that ...

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