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Infectious Agents

A growing number of uninvited guests are pushing their way onto your PCs. Here are the latest antidotes.

This story appears in the September 2004 issue of Entrepreneur. Subscribe »

Like that unemployed brother-in-law who just wanted to crash on your couch for a few days, chances are, spyware has moved onto your business's PCs and won't go away. In fact, it's probably having adware and Trojans over for a few brewskies.

As with most uninvited guests, there doesn't seem to be a surefire way to get rid of spyware and its buddies permanently. Your anti-virus software will turn away its rowdier friends, and your firewall will keep spyware and its cousin, adware, from broadcasting your most personal details back to their puppet masters, which is no small thing. Trojans in spyware figured prominently in the $2.4 billion that Internet scammers stole from consumer bank accounts between spring 2003 and spring 2004, reports technology research and consulting firm Gartner.

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