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In re 23andMe Customer Data Security Breach Litigation data breach case

Brought by

Consumer class plaintiffs

v.

Defendants

Consolidated suits over the 2023 credential stuffing attack that exposed ancestry and profile data of about 6.9 million 23andMe users.

The case

Court
US District Court, Northern District of California
Docket
3:24-md-03098
Filed
Apr 16, 2024
Status
Active23andMe filed for bankruptcy in March 2025, which affected the proposed class settlement.

History

3 dated entries
RulingFeb 18 · 9mo agoOrder by Judge Edward M Chen GRANTING 188 STIPULATED DISMISSAL WITH PREJUDICE. Any non-CM/ECF Participants have been served by First Class Mail to the addresses of record listed onSource
RulingApr 14, 2025 · 19mo agoNOTICE of Voluntary Dismissal Without Prejudice by Max Alperstein, Arya Shoaee (Hart, Yana)Source
FilingApr 16, 2024 · 2.6y agoComplaint filed: IN RE: 23ANDME, Inc., Customer Data Security Breach LitigationSource
Consumer protectionActiveUnverifiedfiled Oct 2026California AG: 23andMeAttorney General Bonta Secures $6 Million Settlement in 23andMe LitigationCalifornia Attorney GeneralGovernanceActiveUnverifiedfiled Jan 2026Reyna sued v. 23andMe, Inc.Sued under the Administrative Procedures Act.N.D. Cal.Data breachDecidedfiled Dec 2025ICO fine: LastPass, 2022 breachThe ICO found weak security let a hacker who compromised employee laptops in August 2022 reach a backup database holding data of up to 1.6 million UK users.GBP 1.2 millionUK Information Commissioner's OfficeData breachActivefiled Aug 2025In re Coinbase Customer Data Security Breach LitigationConsolidated suits over the 2025 incident in which bribed overseas support agents leaked Coinbase customer data used in social engineering scams.S.D. N.Y.Data breachDecidedfiled Jun 2025ICO fine: 23andMe, genetic data breachJoint ICO and Canadian privacy commissioner investigation into the 2023 credential stuffing attack that exposed data of 155,592 UK residents; the ICO found security measures were inadequate.GBP 2.31 millionUK Information Commissioner's OfficeData breachActivefiled Apr 2025In re PowerSchool Customer Data Security Breach LitigationConsolidated suits over the December 2024 breach of PowerSchool's student information system that exposed data of students and teachers across many school districts.S.D. Cal.Data breachSettledfiled Jan 2025FTC: GoDaddy, hosting securityThe FTC alleged that since 2018 GoDaddy failed to use reasonable security for its web hosting services, leading to breaches, while claiming strong protection.US Federal Trade CommissionData breachDecidedfiled Dec 2024DPC fine: Meta, 2018 Facebook breachTwo inquiries into a September 2018 Facebook data breach that affected about 29 million accounts worldwide, around 3 million in the EU/EEA, covering breach notification and data protection by design.EUR 251 millionIrish DPC
Caption and links

IN RE: 23ANDME, Inc., Customer Data Security Breach Litigation

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