Facebook admits collecting data from non-users

Mark Zuckerberg also says his own information was handed over to Cambridge Analytica

Mark Zuckerberg
Facebook founder and chief executive Mark Zuckerberg gives evidence to the US Congress
(Image credit: SAUL LOEB/AFP/Getty Images)

Facebook chief executive Mark Zuckerberg has revealed that the social media platform collects data of internet users who have never signed up for the company’s services.

The admission came during his second and final day of testimony before US Congress, during which he said Facebook collected the data of non-users for “security reasons”.

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