Facebook failed to warn users of known risks before 2018 breach: court filing

(Reuters) – Facebook (FB.O) users suing the world’s largest social media community over a 2018 information breach say it failed to warn them about risks tied to its single sign-on device, though it protected its staff, a court filing on Thursday confirmed.

FILE PHOTO: A Facebook emblem on an Ipad is mirrored amongst supply code on the LCD display of a pc, on this photograph illustration taken in Sarajevo June 18, 2014. REUTERS/Dado Ruvic/File Photo

Single sign-on connects users to third-party social apps and companies utilizing their Facebook credentials.

The lawsuit, which mixed a number of authorized actions, stems from Facebook Inc’s worst-ever safety breach in September, when hackers stole login codes – or “access tokens” – that allowed them to entry almost 29 million accounts.

“Facebook knew about the access token vulnerability and failed to fix it for years, despite that knowledge,” the plaintiffs stated in a closely redacted part of the filing within the U.S. District Court for the Northern District of California in San Francisco.

“Even more egregiously, Facebook took steps to protect its own employees from the security risk, but not the vast majority of its users.”

Facebook didn’t instantly reply to a request for remark.

Judge William Alsup instructed Facebook in January he was prepared to permit “bone-crushing discovery” within the case to uncover how a lot consumer information was stolen.

Facebook has revealed few particulars since initially disclosing the assault, saying solely that it affected a “broad” spectrum of users with out breaking down the numbers by nation.

The attackers took profile particulars reminiscent of start dates, employers, schooling historical past, non secular choice, varieties of gadgets used, pages adopted and up to date searches and placement check-ins from 14 million users.

For the opposite 15 million users, the breach was restricted to title and speak to particulars. In addition, attackers might see the posts and lists of associates and teams of about 400,00zero users.

They didn’t steal private messages or monetary information and didn’t entry users’ accounts on different web sites, Facebook stated.

Reporting by Katie Paul; Editing by Richard Chang

Our Standards:The Thomson Reuters Trust Principles.

Source link reuters.com

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