As more and more social networking sites, including Facebook, then there is no doubt that if malicious software has also increased, Facebook itself is threatened security risk, allowing someone to hijack a user’s account, while the interaction with other sites, according to security analysis. A safety observer Nitesh Dhanjani said, Facebook has been designed to allow kelemahana third-party applications can access the user without the consent of the user profile data.

Facebook will typically use display pop-up window to remind users to third-party applications will be authorized to access user profile information applications. This may be considered before a user to add Facebook applications.
In other occasions, but still and research, Dhanjani and Israel Lamy Narkolayev security analysts said that an intruder could use clickjacking attack invading Facebook account fraud site has a hidden malicious code, the user clicks. A web site, like an e-commerce site or a video display, which hide the Facebook login page, so that when the user clicks to play video view, opening up, the user account of such action without the user’s knowledge