United HealthCare Data Breach Affects 34,574 Individuals

United HealthCare Services Inc., a subsidiary of UnitedHealth Group Inc. that administers health insurance and benefit plans across the country, disclosed a data breach that affected 34,574 individuals in the United States.

The breach was disclosed to the U.S. Department of Health and Human Services on June 5, 2026.

The breach was reported through the HHS Office for Civil Rights breach portal, which tracks breaches involving unsecured protected health information such as medical records, health insurance identification numbers, treatment details and other sensitive health information. At this time, however, the specific types of information exposed remain publicly undisclosed.

United HealthCare Services' response to the breach

Individuals who believe they may be affected by this breach can visit the UnitedHealthcare website or contact the company through its customer service channels for more information.

People who are currently enrolled in a UnitedHealthcare plan or have previously received services through a UnitedHealthcare-affiliated provider may want to stay alert for any communications from the company regarding this incident. Notification letters, if sent to affected individuals, would provide details about what data was involved and what the company is doing in response.