Facebook founder Mark Zuckerberg has admitted the giant social network "made mistakes" in his first comments since a data scandal engulfed the company.

Political consultancy Cambridge Analytica is accused of misusing data from 50 million Facebook users.

In a statement on his Facebook page, Mr Zuckerberg admitted a "breach of trust" had occurred.

He also pledged a series of changes, making it far harder for apps to "harvest" user information.

The CEO said: "We have a responsibility to protect your data, and if we can't then we don't deserve to serve you.

"I started Facebook, and at the end of the day I'm responsible for what happens on our platform."

What has Zuckerberg pledged to do?

To address current and past problems, Mr Zuckerberg said Facebook would:

investigate all apps that had access to large amounts of information before the platform was changed "to dramatically reduce data access" in 2014

conduct a full audit of any app with suspicious activity

ban any developer that did not agree to a thorough audit

ban developers that had misused personally identifiable information, and "tell everyone affected by those apps"

In future, he said Facebook would:

restrict developers' data access "even further" to prevent other kinds of abuse

remove developers' access to a user's data if the user hadn't activated the developer's app for three months

reduce the data that users give an app when they sign in to just name, profile photo, and email address

require developers to obtain approval and also sign a contract in order to ask anyone for access to their posts or other private data

Mr Zuckerberg added: "While this specific issue involving Cambridge Analytica should no longer happen with new apps today, that doesn't change what happened in the past.

"We will learn from this experience to secure our platform further and make our community safer for everyone going forward."

What is the row about?

In 2014, Facebook invited users to find out their personality type via a quiz developed by Cambridge University researcher Dr Aleksandr Kogan called This is Your Digital Life.

About 270,000 users' data was collected, but the app also collected some public data from users' friends.

Facebook has since changed the amount of data developers can gather in this way, but a whistleblower, Christopher Wylie, says the data of about 50 million people was harvested for Cambridge Analytica before the rules on user consent were tightened up.

Mr Wylie claims the data was sold to Cambridge Analytica - which has no connection with Cambridge University - which then used it to psychologically profile people and deliver pro-Trump material to them.

The firm's chief executive, Alexander Nix - who was suspended on Tuesday - was secretly recorded in a Channel 4 investigation saying the London-based company ran Donald Trump's digital campaign during the 2016 US election.

"We did all the research, all the data, all the analytics, all the targeting, we ran all the digital campaign, the television campaign and our data informed all the strategy," he added.

Dr Kogan has said he was told by Cambridge Analytica everything they had done was legal, and that he was being made a "scapegoat" by the firm and Facebook.

How has Cambridge Analytica responded?

Cambridge Analytica denies any wrongdoing.

Facebook says users' data was obtained legitimately but Cambridge Analytica failed to delete it when told to do so.

For its part, Cambridge Analytica says it did delete the data when told to by Facebook.

It suspended Mr Nix following his comments which appeared to suggest tactics his company could use to discredit politicians online.

However, the firm said the report of comments secretly recorded by Channel 4 News had "grossly misrepresented" Mr Nix's comments.

What investigations are under way?

US senators have called on Mr Zuckerberg to testify before Congress about how his company will protect users, while consumer watchdog the US Federal Trade Commission has reportedly opened an investigation into Facebook.

The head of the European Parliament also said it would investigate to see if the data was misused.

The UK's Information Commissioner Elizabeth Denham is attempting to obtain a warrant to search the offices of Cambridge Analytica.

Meanwhile, a UK parliamentary committee has called for Facebook boss Mark Zuckerberg to give evidence about its use of personal data.

There have also been calls for an investigation into the work Cambridge Analytica carried out during the 2013 election in Kenya.

Source:
courtesy of BBC NEWS

by BBC NEWS

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