in Newswire Published on March 6, 2023

Negligent California Healthcare Groups to Blame for Data Breach Affecting 3.3M Patients, Class Action Says [UPDATE]

by Kelsey McCroskey

Last Updated on October 17, 2025

Downs et al. v. Regal Medical Group, Inc. et al.

Filed: February 28, 2023 § 2:23-cv-01507

A class action lawsuit claims the negligence of four major healthcare networks in Southern California resulted in a “foreseeable” data breach that compromised the personal information of over three million patients.

October 17, 2025 — $49M+ Regal Medical Group Settlement Resolves Data Breach Lawsuit

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Last Updated on October 17, 2025 — 4:01 PM

Kelsey McCroskey

kelsey@classaction.org

Kelsey works primarily on ClassAction.org’s newswire, reporting on cases as they happen.

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