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Top Internet Threats


The threat: Worms

The problem: It's not OK to eat fried worms, and it's even worse to get computer worms on your PC. A computer worm is basically a self-replicating program that uses a network to send copies of itself to other computers (and corrupt their files). The Storm Worm, for example, is a virus that began infecting thousands of computers in Europe and the United States on Friday, January 19, 2007. Using an e-mail message with the panic-suggesting subject line, "230 dead as storm batters Europe." Three days after the initial attack, the Storm Worm accounted for 8% of all computer infections globally. Some of the effects of worms include the deleting of computer files, program corruption, and reformatting your entire hard drive. Others just display messages or videos -- these are harmless but still use up some of your computer's memory, which slows it down.

How to protect yourself:
Update your anti-virus and anti-spam software -- and if you don't use any, start now! (Or, um, just get a Mac, which is a bit less virus-prone.) Be wary of opening unexpected e-mail, and never run attached files or programs from a sender you don't know -- or visit Web sites that are linked to these e-mails. Worms are often spread through e-mail programs such as Outlook, so make sure you download the latest security patches on any e-mail/contact management software you may be using.

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