Social networking sites have become fertile ground for attackers, both by attracting victims with malware such as Koobface and by relaying commands to compromised computers.

As it turns out, our friends are not always our friends a fact underscored earlier this year when Kaspersky Lab published findings that in terms of infections, social networks were 10 times more effective as attack vectors than e-mail.

Staying safe means being wary, but it also means sites like Facebook, MySpace and LinkedIn have work to do as well. Here, eWEEK looks at the most dangerous social networking risks, and what both users and the sites themselves can do about them.
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