Ireland’s Data Protection Commission is investigating a massive data leak concerning a database containing personal information belonging to more than 530 million Facebook users. Ireland’s DPC said the leak occurred between June 2017 and April 2018 when Facebook closed off a vulnerability in its phone lookup function. The DPC also said that the recently leaked dataset seems to include information from additional Facebook user records “which may be from a later period”” The data watchdog added that it had issues establishing communication channels with Facebook when it “”over the weekend to establish the full facts”””
Source: https://www.bleepingcomputer.com/news/security/facebook-data-leak-now-under-eu-data-regulator-investigation/