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

UnitedHealth Group on Monday said it ... The company also confirmed that files containing personal information were ...

UnitedHealth Group (UHG ... as well as Medicare's data breach in July that exposed the personal information of more than 600,000 Medicare beneficiaries and millions of other healthcare consumers.

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.

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 ...

Hilgers has filed a lawsuit against Change Healthcare, its parent company UnitedHealth Group and its operating entity Optum, following a data breach that exposed the personal and medical ...

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 ...

From Providence schools, to the Wyatt Detention Facility to Roger Williams and Fatima hospitals, Rhode Islanders have dealt with these attacks before.

There were dozens of data breaches this year, and these five were the ones that affected the largest number of people.