Clover Health Data Breach Exposes Patient and Member Information

Clover Health, a healthcare technology and insurance company that provides Medicare Advantage plans to seniors across the United States, disclosed a data breach that occurred in July 2026. The incident impacted a total of 138,677 individuals, including 2,536 South Carolina residents.

Clover health disclosed the incident to the U.S. Securities and Exchange Commission, as well as posted a notice on its website.

The breach began on July 3, 2026, when an unauthorized party gained access to three Clover Health employee accounts. The unauthorized access continued into the following day.

On July 4, 2026, Clover Health became aware of the unauthorized activity on certain of its information systems. The company activated its incident response procedures and launched an investigation with the assistance of leading third-party cybersecurity experts.

Through the investigation, cybersecurity experts determined that the unauthorized party may have accessed or acquired files containing personal information through the three compromised employee accounts.

The data potentially compromised included personal and protected health information such as patient names, dates of birth, Social Security numbers, account ID numbers and insurance identifiers like Clover subscriber numbers, dates of service, provider names or other health and healthcare-related information.

Clover Health's response to the breach

The company encouraged all individuals to remain vigilant for signs of fraud or identity theft by reviewing account statements and monitoring credit reports for unauthorized activity.

Clover Health additionally set up a dedicated toll-free assistance line at 1-888-619-4930. The line is available from 9 a.m. to 5 p.m. EST, Monday through Friday, excluding major U.S. holidays. The line will remain active for at least 90 days.

Individuals may also reach the company's Privacy Office by email at privacyquestions@cloverhealth.com.