https://www.theguardian.com/technology/2019/jul/24/facebook-to-pay-5bn-fine-as-regulator-files-cambridge-analytica-complaint

Penalty by US government reflects scale of breach, first reported by the Observer

Facebook will pay a record-breaking $5bn penalty in the US for “deceiving” users about their ability to keep personal information private, after a year-long investigation into the Cambridge Analytica data breach.