Chapter 47. How Viruses Work
The Internet, just like the rest of the world, is not a perfectly safe place to visit. If you download files from the Internet, there is a chance—a very small chance, but nonetheless a chance—that your computer could become infected with a virus.
Viruses are malicious programs that invade your computer. They can cause many different kinds of damage, such as deleting data files, erasing programs, or destroying everything they find on your hard disk. Not every virus causes damage; some simply flash annoying messages.
Although you can get a virus from the Internet by downloading files to your computer, the Internet ...
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