Facebook will investigate “tens of thousands” of apps to discover if any other companies have accessed data in a similar way to Cambridge Analytica, Mark Zuckerberg has told US politicians.
The social network says it is in the process of letting up to 87m users know that their information may have been accessed by CA, and in a packed room on Capitol Hill, Zuckerberg repeated his admission that the company “didn’t do enough” to stop its tools “being used for harm”.
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He also said the company was in an “arms race” with Russia, warning there were people in the country tasked with finding ways to breach Facebook’s systems.
Zuckerberg also agreed to greater regulation of his company, according to the Times, and to help Congress frame regulations for tech companies including supporting a rule to notify users of a data breach within 72 hours.
After a torrid few weeks for Facebook’s share price investors rewarded Zuckerberg for appearing on the Hill.
Facebook stocks rose 4.5 per cent on Tuesday, which is said to have swelled the entrepreneur’s fortune by several billion dollars.
Speaking to the Senate Judiciary and Commerce Committees, the tech entrepreneur apologised that Facebook had not taken a “broad enough view” of its responsibility for people’s public information.
“It was my mistake, and I’m sorry,” he said, in words from a prepared statement. “I started Facebook, I run it, and I’m responsible for what happens here.”
Zuckerberg said its audit of third-party apps would highlight any misuse of personal information, and said the company would alert users instantly if it “found anything suspicious”.
When asked why the company did not immediately alert the 87m users whose data may have been accessed by CA when first told about the “improper” usage in 2015, Zuckerberg said Facebook considered it a “closed case” after CA said it had deleted it.
“In retrospect it was clearly a mistake to believe them,” he said.
Culture Secretary Matt Hancock will meet Facebook representatives in London on Wednesday.
Facebook and CA face multiple lawsuits over alleged misuse of personal information with at least five law firms in the UK and US investigating claims for compensation.
On the subject of fake news, Zuckerberg said one of his “greatest regrets” in running the company was its slowness at uncovering and acting against disinformation campaigns by Russian trolls during the US election.
He said the Russian campaign of disinformation had been discovered “right around the time” of the US presidential election, and said the company had developed “new AI tools” to identify fake accounts responsible.
“You know there are people in Russia whose job is to exploit our systems… so this is an arms race,” he said.”They are going to keep getting better at this and we need to invest in keeping on getting better at this too.”
Picture: Reuters/Leah Millis