533M Facebook user records offered on a hacking forum A database containing details of 533 million Facebook users is being offered on a hacking forum. First spotted April 3 by Alon Gal, chief technology officer of Hudson Rock Ltd., the data was posted by a user called TomLiner on Raid Forums and is claimed to include user names, mobile phone numbers, gender, occupation, city, country, marital status and and in some cases email addresses. The validity of the data has been confirmed by various sites, including Insider. Bleeping Computer noted that the database includes records and phone numbers for three of Facebook’s founders: Mark Zuckerberg, Chris Hughes and Dustin Moskovitz.