A new study suggests so-called tracking cookies used by social networks such as Facebook and Twitter may help reveal users' sensitive personal information to third-party advertisers, hackers and o...

In a previous post, I explained how, according to a recent study, social networks like Facebook and Myspace are leaking the personal information of their users to third-party tracking sites. If you us...

Last week, my colleague, Jeff Fox, was perusing the New York Times online when a window popped up warning him (and many others) that his computer was “at risk” and in need of immediate pro...

The number of hijacked social networking accounts is on the rise, according to a warning issued by the FBI this week. (For free advice on how to protect yourself online, see our Online Security Guide....