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Marathon Health Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Marathon Health data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Marathon Health
Marathon Health is a provider of advanced primary care services, working with employers, labor groups and public-sector organizations. The company operates a network of onsite, nearsite and virtual health centers, offering a range of healthcare and care navigation services.
Marathon Health manages back-end healthcare operations and maintains sensitive personal and medical information for a large number of individuals.
What Happened?
On Aug. 24, 2026, Marathon Health discovered suspicious activity involving one of its employee accounts.
An unauthorized individual, posing as a Marathon IT worker, obtained the employee’s credentials and accessed a cloud-hosted application. During a few hours on that same day, the unauthorized person exported information from the database.
Marathon Health disabled the affected account and began an investigation with cybersecurity professionals.
By Sept. 9, 2026, the company confirmed that personal information had been obtained by the unauthorized party. Written notices were sent to affected individuals, and the breach was reported to state authorities in Texas, Massachusetts and Vermont on Oct. 30, 2026.
The breach impacted at least 234,534 people in Texas, 29,075 in Massachusetts and 8,858 in Vermont.
The types of information exposed vary by individual but may include the following:
Information Exposed:
- Social Security numbers
- Health records
- Names
- Dates of birth
- Contact information
- Addresses
- Medical information
- Health insurance information
You May Be Entitled to Compensation
If affected by the Marathon Health data breach, individuals may be eligible for compensation as part of a class action lawsuit. Lawyers are ready to help those whose personal, medical or financial information was exposed.
Completing the below form can help determine eligibility and start the process of joining the lawsuit.
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