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How Personal & Internet Security Work by Preston Gralla

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Chapter 3. How Spyware and Anti-Spyware Work

How Spyware and Anti-Spyware Work

These days, the biggest danger you face when you go onto the Internet might be spyware—a type of malicious software that can invade your privacy and wreak havoc on your PC. Spyware is a relatively new phenomenon; it does not have a long history as do viruses, Trojans, and worms.

Spyware is an umbrella name for many types of malicious programs, but these kinds of programs have several things in common. First, all of them, one way or another, spy on your behavior. They may watch which web pages you visit and report that information to a server or person, or they might track your web searches. They may even ...

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