About this Youtube video: A whistleblower at data analytics company Cambridge Analytica says the UK firm received more than 50 million Facebook user profiles without user consent and the data was later used for political gain. CNET s Ian Sherr explains. Facebook security chief reportedly leaving the company Facebook hires digital forensics firm for Cambridge Analytica audit For Facebook political pressure mounts on Mark Zuckerberg How the Trump campaign benefitted from Facebook data misuse The 3 59 Ep. 371 Facebook probes employee s ties to Cambridge Analytica Facebook bans Trump-linked campaign data firm Facebook Cambridge Analytica and Trump What you need to know Cambridge Analytica caught on video bragging about lying dirty tricks Subscribe to CNET Check out our playlists Download the new CNET app Like us on Facebook Follow us on Twitter Follow us on Instagram .