https://www.theguardian.com/technology/2018/may/14/facebook-apps-suspended-privacy-scandal-cambridge-analytica

After Cambridge Analytica fallout, the company is investigating apps that had access to large amounts of data before 2014

Facebook said it had suspended roughly 200 apps as part of its investigation into the potential misuse of personal data on the social network, the latest fallout from the Cambridge Analytica privacy scandal.