Viruses and malware are often stopped by software defenses than run on the desktop; in fact, the antivirus, antispyware and other security suite software business has rapidly become a very lucrative industry. As useful as those protections are, however, the best solution would be such threats never getting a chance to access the network -- like the old saying goes, "The quickest way out of something is to never have been in it."

At Computerworld.

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