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Source：Openness Information Network Editor：Shopping Time：2025-06-26 05:12:33

A data analytics firm linked to both Donald Trump's presidential campaign and Watch Powerthe Brexit referendum has been banned by Facebook.

Cambridge Analytica, the British firm that claimed it helped Trump get elected, has been suspended from Facebook, the company revealed.

SEE ALSO: Look at these dumb email accounts Russian trolls made to influence the 2016 election

At issue is Cambridge Analytica's use of user data obtained by a third-party developer, a University of Cambridge professor named Dr. Aleksandr Kogan. Kogan, according to Facebook, obtained information on 270,000 Facebook users via his app, which he touted as a research experiment.

But though the app itself was apparently in line with Facebook's developer policies, what Kogan did with the data he collected wasn't. According to Facebook's deputy general counsel Paul Grewal, Kogan then gave the data he acquired via his app to Cambridge Analytica and another third-party company.

Facebook's policies prohibit developers from turning user data over to third parties. Grewal says the company found out about Kogan's actions in 2015 and removed his app and "demanded certifications from Kogan and all parties he had given data to that the information had been destroyed."

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Everyone involved claimed they had destroyed the data, but Facebook now says they have reason to believe not all the data was actually destroyed. And they've banned Kogan and Cambridge Analytica while they investigate.

It's not clear if the ban is meant to be temporary or permanent, but it's an unprecedented move for Facebook to publicly announce such a suspension. While suspended, Cambridge Analytica and Kogan are prohibited from buying ads or running the Facebook pages of their clients.

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"We are committed to vigorously enforcing our policies to protect people’s information. We will take whatever steps are required to see that this happens. We will take legal action if necessary to hold them responsible and accountable for any unlawful behavior," Grewal wrote in a statement.

In a statement, Cambridge Analytica said that it "fully complies with Facebook’s terms of service" and that it was working with the company to be reinstated.

"Cambridge Analytica's Commercial and Political divisions use social media platforms for outward marketing, delivering data-led and creative content to targeted audiences. They do not use or hold data from Facebook profiles."

The firm says it deleted all of the data in question when they found out it that it was in violation of Facebook's policies and that the data was not used in Trump's presidential campaign.

UPDATED March 17, 2018, 1:50 p.m. ETto include statements from Cambridge Analytica.

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