The ransomware attack on Change Healthcare affected over 100 million Americans, the health giant told regulators.

But high medical costs contributed to results that disappointed Wall Street, and the company’s stock fell on the news that it ...

A hack on UnitedHealth-owned tech giant Change Healthcare likely stands as one of the biggest data breaches of U.S. medical data in history.

Tens of thousands Excelsior Orthopaedics patients are being notified by letter that some of their personal information was ...

Change Healthcare, a subsidiary of UnitedHealth Group, said it has "substantially" completed identifying and notifying individuals affected by the Feb. 21 ransomware attack. "The review of personal ...

Medusind, a leading billing provider for healthcare organizations, is notifying hundreds of thousands of individuals of a ...