A mother has won court backing to force Facebook to reveal the identities of cyberbullies who targeted her with a string of abusive messages on the website. Nicola Brookes, 45, was granted a high court order after receiving “vicious and depraved” abuse on Facebook after she posted a comment in support of the former X Factor contestant Frankie Cocozza. Facebook must now reveal the name, email and IP addresses of those behind the abusive messages, showing who they are and where they posted from…