Facebook “unintentionally” uploaded email contacts from up to 1.5 million new users on its servers, without their consent or knowledge, since May 2016. The social media giant says the contacts were not shared with anyone and that it has already started deleting them. This latest incident is the latest in a long list of privacy-related issues and controversies the tech giant is dealing with. Last month, Facebook was caught storing passwords of hundreds of millions of users in plaintext within its internal servers.
Source: https://thehackernews.com/2019/04/facebook-email-database.html