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Chapter 9. Security Annoyances > TROJANS, WORMS, AND VIRUSES

TROJANS, WORMS, AND VIRUSES

WHAT TO DO ABOUT TROJANS

The Annoyance:

My PC has started acting strangely—no matter what I do, my Internet speed slows to a crawl. I've also noticed that my PC dials out to the Internet by itself. And just a few minutes ago, the CD tray opened by itself! Has my PC been possessed by ghosts?

The Fix:

Those are classic signs of a Trojan infection. The biggest problem with Trojans, though, isn't what you see, but what you don't see. Trojans allow other people to silently take control of your computer and all of its resources. For example, they can read, change, or delete your existing files, and even add new files to your computer. They can also use your computer as a launching pad for attacks against others, so it will look as though you're the attacker.


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