Let us be perfectly clear: While Facebook has received a lot of criticism lately about its new privacy policies and Open Graph concept, which allows them to partner with other sites which will also have access to some Facebook user data, Facebook isn't explicitly keeping secrets from you. But some security professionals and users continually knock the site for what they say are less-than-clear explanations about where your data is going, and how secure the site really is.

Joey Tyson, a social media security expert who maintains the site Social Hacking, says there are important data security and privacy issues happening under the radar of the Facebook experience. This is what Facebook isn't saying outright to members.

More: http://pcworld.com/article/196221/