An adware-distribution scheme being carried out on Facebook is considered to be the first attack propagated on the site. Fortinet: As many as 3 percent of Facebooks 60 million registered users have already downloaded the program. Security experts have tabbed the use of social networking sites including MySpace for the delivery of malware as one of the most significant trends they expect to emerge. Security gateway vendor Fortinet refers to this trend as the “escalation of commitment” effect.”]
Source: https://www.csoonline.com/article/2122248/infoworld–facebook-hack-fuels-web-2-0-concerns.html