Facebook on the defensive after Cambridge Analytica rules violation
The data-analysis firm did break the rules when it obtained information from about 50-million Facebook profiles — but it was not a hacker
Facebook wants you to know: this was not a breach. Yes, Cambridge Analytica, the data-analysis firm that helped US President Donald Trump win the 2016 election, violated rules when it obtained information from about 50-million Facebook profiles, the social-media company acknowledged late Friday. But the data came from someone who did not hack the system: a professor who originally told Facebook he wanted it for academic purposes. He set up a personality quiz using tools that let people log in with their Facebook accounts, then asked them to sign over access to their friend lists and likes before using the app. The 270,000 users of that app and their friend networks opened up private data on 50-million people, according to the New York Times. All of that was allowed under Facebook’s rules, until the professor handed the information off to a third party. Facebook said it found out about Cambridge Analytica’s access in 2015, after which it had the firm certify that it deleted the data....
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