Facebook has a huge worldwide user base, an Web site, and a community of users linked to their friends, lts members are more likely lo trust messages they receive from friends, even if this communication is not legitimate. Perhaps for reasons, research from the Kaspersky Labs security firm shows malicious software on social networking sites such as Facebook and MySpacc is 10 limes more successful at infecting users than attacks. Even Facebook founder Mark Zuckerbcrg law his Facebook fan page hacked in 2011.