Facebook will be adding two new security features that will allow users to regain control of their account if it gets hijacked. This method is used by hackers to hack most of the Facebook account using little bit of Social Engineering from last 5-6 months according to me. Facebook should takes these privacy issues & security holes very seriously. Facebook ” Trusted friends ” Security Feature Easily Easily Escalable Means that Users can choose from three to five trusted friends who are then provided with a code to gain access to their account.
Source: https://thehackernews.com/2011/10/facebook-trusted-friends-security.html