Glenn Steven Mangham, 26, has pleaded guilty to charges that he breached security at Facebook earlier his year. The York University computer science student attempted to bypass security on the companys internal systems, raising alarm amongst the FBI that industrial espionage was occurring. Facebook said the attack did not involve an attempt to compromise or access user data Manghams has argued that he was an ethical or white-hat hacker, whose intentions rather than being malicious were to uncover security vulnerabilities.”]
Source: https://nakedsecurity.sophos.com/2011/12/14/hacker-facebook-security-pleads-guilty/