Wednesday, March 10, 2010

The Security Dangers of Social Networking

You can try and lock them down, but no matter how you look at it, social networking sites remain security risks. But it's not just about application security, meaning the sites themselves as vectors for malware, but the information on them. They can be used for reconnaissance and intelligence about people for setting them up for spear phishing attacks.

Bruce Schneier had some interesting commentary
on the subject recently, referencing research about using group membership on sites such as Facebook and LinkedIn to "de-anonymize" users. Even after locking down every possible piece of information on these sites, group memberships are often still visible.

As if that's not enough, posts by users after hours with information from their employers can lead to the leakage of inside information. The line between personal and professional lives, at least on social networking sites, is getting more blurred.


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