[ A very small 1 line entry in this story, FaceCrooks scan your computers, whether you want them to or not.....]
Quote
Facebook, their Walled Garden, and McAfee Anti-Virus – What Really Happened
On Sunday, a number of Facebook users reported being locked out of the system. When they attempted to log in they were presented instead with the a series of screens, informing them that their computer was infected, and providing a link to a free scanning service by McAfee antivirus software....
http://www.cauce.org/2013/02/facebook-their-walled-garden-and-mcafee-anti-virus-what-really-happened.html