Facebook is encouraging people to disclose Facebook security vulnerabilities in a responsible manner. As of the end of August, Facebook was paying an average of $1,500 a day to white hat hackers. Facebook won’t talk about their security or give me access to their security team. While Sony and credit card companies are sending out emails warning their users that their accounts may have been hacked, Facebook has so far steered clear of this phenomenon. While a full frontal attack has yet to take Facebook down, it’s the tiny individual attacks on its users that are chipping away at its credibility.”]
Source: https://gizmodo.com/how-facebook-uses-hackers-to-keep-your-timeline-safe-5843966