Revealed: 50 million Facebook profiles harvested for Cambridge Analytica in major data breach
Whistleblower describes how firm linked to former Trump adviser Steve Bannon compiled user data to target American voters
Mar 17, 2018 ... Revealed: 50 million Facebook profiles harvested for Cambridge Analytica in major data breach ... Documents seen by the Observer, and confirmed by a Facebook statement, show that by late 2015 the ... 30 Nov 2018.