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Computer Viruses: Problems
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Viruses, worms, and trojan horses are the biggest threats to personal computer security. Virus protection is a necessity for everyone that owns or uses a computer. While PCs have more problems with viruses, the advent of macro viruses means Macintoshes are vulnerable as well.
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Computer viruses were labeled as viruses because of the fact that they are similar to that of biological viruses in the aspect of multiplying themselves. Similarly they find a host and then infect and multiply themselves. However in both cases there must be a cause in order for the problem to begin.
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Viruses aren't as common as other computer problems. They're found in about 0.15 percent of e-mails, according to the latest figures from MessageLabs, a provider of Internet security products that analyzes more than 180 million e-mails worldwide every day for its business clients.
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