Facebook finds ‘no evidence’ hackers accessed connected apps | Social Media

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Facebook has said it’s found “no evidence” that third-party were affected by the breach it revealed last week.

Hackers account access tokens on at least 50 million users by exploiting a chain of three vulnerabilities inadvertently introduced by Facebook last year. Another 40 million also may have been affected by the attack. Facebook revoked those tokens — which keep users logged in when they enter their username and password — forcing users to log back into the site again.

But there was concern that third-party apps, sites and services that rely on Facebook to log in — like Spotify, Tinder and Instagram — also may have been affected, prompting companies that use Facebook Login to seek answers from the networking giant.

“We have now analyzed our logs for all third-party apps installed or logged during the attack we discovered last week,” said Guy Rosen, Facebook’s vice president of product management, in a blog post. “That investigation has so far found no evidence that the attackers any apps using Facebook Login.”

“Any developer using our official Facebook SDKs — and all those that have regularly checked the validity of their users’ access tokens – were automatically protected when we reset people’s access tokens,” he said.

Admittedly, Rosen said that not all developers use Facebook’s developer tools, so the social network is “building a tool to enable developers to manually identify the users of their apps who may have been affected, so that they can log them out.”

Facebook didn’t say when the tool would become available. TechCrunch has reached out for comment and will update when we hear back.

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The breach affected five million users in , the company confirmed, where data protection laws are stricter and financial penalties are greater.

Under the newly installed General Data Protection Regulation (GDPR), European regulators can fine Facebook up to $1.63 billion in fines — or four of its $40.7 billion in annual global revenue for the prior financial year — if it’s found that Facebook could have done more to protect its users’ data.

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