A recent episode that a Sunbelt researcher was the protagonist of demonstrates how easily your Facebook account credentials can be stolen.
He was at his local library and noticed that one of the computers available for use had a flash drive sticking out of its ports. His curiosity aroused, he sat down and checked the contents of the drive and found an executable that sports an icon similar to the original Facebook logo and purports to be a "FaceBook Remote Viewer" that allows you to visit Facebook from school or work by avoiding firewalls.
When executed, the user is faced with this screen:
The program eventually asks the user to enter his or hers name, email and Facebook password, and seemingly proceeds with the log-in and loading process, but "fails" and shows the following screen:
The only thing left for the thief to do is to reclaim their flashdrive, take it home and do various horrible things to the stolen accounts.
Always be careful when logging into services at libraries, webcafes, school and work – your alarm bells should be ringing loud and clear whenever you see a flashdrive poking out of a public computer.
To view the full demo with more detailed screen shots, read here.