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Health Care & Hospital Law

Aug. 18, 2025

The legal fallout from the largest healthcare data breach in the U.S.

The February 2024 cyberattack on Change Healthcare, a UnitedHealth subsidiary, exposed sensitive medical data of nearly 190 million Americans, disrupted billions in claims processing, left providers financially vulnerable, sparked widespread litigation, and prompted proposed federal cybersecurity legislation -- highlighting critical gaps in healthcare IT security and multi-factor authentication practices.

David A. Rawi

Senior Counsel
Lagerloff LLP

Healthcare & Commercial Litigation

16000 Ventura Blvd., Suite 804
Encino , CA 91436

Phone: (818) 804-4691

Email: drawi@lagerlof.com

See more...

The legal fallout from the largest healthcare data breach in the U.S.
Shutterstock

In February 2024, Change Healthcare Inc., a subsidiary of UnitedHealth Group's Optum division, was hacked by a cybercriminal group calling themselves ALPHV or BlackCat in what is known as the largest healthcare data breach in the nation. 

ALPHV/BlackCat breached Change Healthcare's information technology syst...

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