That instant message you send from work could put your company's computer network at risk.
That's because popular free IM systems, such as AOL Instant Messenger and MSN Messenger, lack basic security features needed to protect corporate networks. That wasn't a problem when the systems, geared to consumers, were used for chitchat. But this year, 54 million people will use consumer IM systems on the job, research firm IDC says.
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