June 14, 2019

A California federal magistrate judge on Friday formalized Facebook’s agreement to provide a proposed class of consumers with documents detailing the data analysis the company conducted to determine who was affected by a breach that hit nearly 50 million accounts.

U.S. Magistrate Judge Jacqueline Scott Corley issued a stipulated order codifying a Thursday deal between Facebook Inc. and the users leading consolidated litigation over the breach, which will see the company turn over records showing the analysis used to determine the individuals and types of data affected by the incident.

The order notes the documents are part of Facebook's internal investigation into the breach, which it disclosed in September. In the attack, hackers exploited a vulnerability in Facebook’s code that allowed them to access about 50 million accounts between July 2017 and September, according to court filings.

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The users are represented by John A. Yanchunis of Morgan & Morgan Complex Litigation Group, Andrew N. Friedman of Cohen Milstein Sellers & Toll PLLC and Ariana J. Tadler of Milberg Tadler Phillips Grossman LLP.

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