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

Nebraska AG sues Change Healthcare, UnitedHealth Group, Optum over alleged security failures leading to the largest data breach in U.S. history.

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

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 ...

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

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