The hack at Change Healthcare stands as the biggest breach of U.S. medical data in history, exposing 190 million people's ...

The updated tally extends the scope beyond what was previously described by company Chief Executive Andrew Witty.

A group of 65 plaintiffs are suing UnitedHealth Group, claiming that “massive security failures” led to the 2024 Change data ...

Optum saw 4 million less consumers in the fourth quarter of 2024 compared to the third quarter as the company focuses on a broad strategy centered on integrated, value-based care.

Last year's cyberattack against Change Healthcare affected nearly twice as many people as UnitedHealth Group previously reported.

Optum Rx's commitment to passing through all ... starting in February with the cyberattack on Change Healthcare, which played a role in the diminished profits compared to 2023.

UnitedHealth now says the ransomware attack on its Change Healthcare subsidiary may have affected the data of about 190 ...

Ken Cohen, M.D., the study's lead author and executive director of translational research for Optum Care, told Fierce Healthcare the two studies aren't fundamentally that different but there where ...

A cyberattack last February on the company’s Change Healthcare business sparked ... 26% to $253 billion year over year thanks to its Optum Health medical care provider business and OptumRx, ...

Cigna's Evernorth Health Services said on Wednesday its actions will enhance transparency about the company's negotiations.