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How Personal & Internet Security Work by Preston Gralla

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Chapter 9. How Worms and Viruses Do Their Damage—and How to Protect Against Them

How Worms and Viruses Do Their Damage—and How to Protect Against Them

If you use the Internet, at one time or another your computer will most likely be attacked by a virus or worm. These pieces of malware are practically ubiquitous, and there’s no escaping them.

The term virus is a somewhat generic term applied to a wide variety of programs. Viruses are written for specific kinds of computers, such as PCs or Macintoshes, because the files they infect run on only one kind of computer or operating system.

Viruses generally are malicious programs that invade your computer. They can cause many kinds of damage, such as deleting data files, erasing ...

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