Facebook Data Breach: How To Check If You're Part Of The Leak, Preventive Measures To Take KEY POINTS According to Facebook, the actual hack took place a couple of years ago Despite this, users may want to check if their data have been compromised They can also follow some tips to protect their data Cybersecurity experts revealed a few days ago that over half a billion Facebook users' personal information have been leaked. It's a gold mine of data, which includes users' full names, birthdays, locations and phone numbers. Although Facebook claims that the actual hack happened a couple of years ago, it won't hurt if users would check to see if their account is part of the breach and take a few preventive measures to make sure future incidents as messy as this one won't affect them.