Got a data breach letter from Marathon Health?
Dapeer Law, P.A. is investigating a potential class action against Marathon Health, a health care company with a business address in Indianapolis, Indiana that provides on-site, near-site, and virtual health care to employees (and their family members) of various organizations, on behalf of individuals whose personal information may have been viewed or taken in the August 2026 incident.
Latest on the Marathon Health data breach
- : Dapeer Law opened its investigation following notice filings posted by the Massachusetts, Texas and Vermont Attorneys General.
Who qualifies for the Marathon Health data breach investigation
You may be eligible to participate in a class action if any of the following applies:
- You received a data breach notification letter from Marathon Health.
- Your letter may offer a complimentary identity monitoring membership through Epiq Monitoring Solutions, as the letter posted by the Massachusetts Attorney General does.
- You had personal information held by Marathon Health, which provides on-site, near-site, and virtual health care to employees (and their family members) of various organizations.
- No proof of harm required to consult with counsel. You do not need to have already suffered identity theft to explore your legal options.
- Excluded: individuals who did not receive a breach notice and whose information was not involved in the incident.
Not sure if you qualify?
Send us your notice, we'll confirm your eligibility at no cost.
What happened in the Marathon Health data breach
According to the notice letter Marathon Health filed with the Massachusetts Attorney General, the company received an alert of suspicious activity related to one of its employee's accounts on August 24, 2026. The letter says an unauthorized individual posing as a Marathon IT worker was able to obtain the employee's credentials, used those credentials to access a cloud-hosted application, and exported information during that access, all within a few hours on August 24, 2026. The letter says the incident involved personal information the company maintains in one of its back-end health care operations databases.
On September 9, 2026, according to the letter, Marathon Health validated that personal information was obtained by the unauthorized person. The letter says the information that may have been involved varied by individual and may have included name, date of birth, contact information, and Social Security number. The Massachusetts filing lists name, date of birth, contact information, Social Security number and medical information. The Texas filing lists name of individual, address, Social Security number information, medical information, health insurance information and date of birth. The Massachusetts letter offers a complimentary identity monitoring membership through Epiq Monitoring Solutions, with a coverage length shown on the posted letter as 12 or 24 months.
Marathon Health reported 5,684,735 affected individuals to the Texas Attorney General, including 234,534 Texans, in a report posted by the Texas Attorney General on Oct 30, 2026. The Massachusetts filing lists 29,075 Massachusetts residents. The posted letter's date is a placeholder, so the date letters went out is not shown; the Texas filing says consumers were notified by U.S. Mail. Whether the company's security practices met legal standards is among the issues being evaluated.
What to do if you got a Marathon Health data breach letter
Keep your notice letter
Do not discard it. Your letter should list the activation code and enrollment deadline for the Epiq Monitoring Solutions membership, and it is important evidence if you decide to participate in a lawsuit.
Enroll in the free Epiq identity monitoring
Enroll in the Epiq Monitoring Solutions membership described in your letter before the enrollment deadline printed there. The posted letter says the product includes credit monitoring, fraud consultation, and identity theft restoration. Accepting this benefit does not waive your right to pursue legal action.
Place a fraud alert or credit freeze
Contact Equifax, Experian, and TransUnion to place a fraud alert or freeze on your file. Request a free weekly credit report from AnnualCreditReport.com, and use the FTC's IdentityTheft.gov recovery guide. The letter also suggests reviewing financial-related statements you receive.
Speak with a data breach attorney
Consultations with Dapeer Law are free and confidential. We'll review your notice, explain your options, and advise whether you may be eligible to join a class action.
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Marathon Health breach timeline
Compensation you may be entitled to
Out-of-pocket expenses
Credit freezes, identity restoration services, and other costs incurred responding to the breach.
Time spent monitoring
Hours spent reviewing accounts, disputing fraudulent charges, and dealing with identity theft issues.
Identity theft & fraud losses
Unreimbursed funds stolen from accounts, unauthorized credit lines, or tax refund fraud tied to the breach.
Statutory damages
Certain state data breach and consumer protection statutes provide for fixed damages regardless of actual loss.
Injunctive relief
Court orders requiring Marathon Health to implement stronger data security practices for the personal information it maintains in its health care operations databases.
Compensation categories depend on applicable state law, the types of data exposed, and documented losses. No recovery is guaranteed.
Marathon Health data breach FAQ
I received a data breach letter from Marathon Health. What should I do? +
Keep the letter, enroll in the Epiq Monitoring Solutions membership before the enrollment deadline printed in your letter, review financial-related statements you receive, consider a fraud alert or credit freeze, and contact a data breach attorney for a free consultation. Accepting the monitoring does not waive your right to pursue a claim.
Is the Marathon Health data breach letter real or a scam? +
Marathon Health has reported this incident to the Massachusetts, Texas and Vermont Attorneys General. Compare your letter to the official filing linked in Sources below, and use only the enrollment website and phone number printed in your letter. Be cautious of unexpected calls, texts or emails about the breach that ask for your Social Security number or account login. If you are unsure, send your letter to Dapeer Law for a free review.
Am I eligible to join a class action against Marathon Health? +
If you received a breach notice from Marathon Health about the August 24, 2026 incident, you are likely eligible for a free case evaluation. Eligibility depends on your state of residence, the categories of your data that may have been involved, and any losses you have suffered. Dapeer Law will review your notice at no cost.
How much money could I receive from a class action lawsuit? +
Data breach class action recoveries vary significantly. Settlements typically range from a few hundred dollars for basic out-of-pocket losses to several thousand dollars for documented identity theft, with class size, damages, and negotiation all affecting the final amount. No payout is guaranteed, and this investigation has not yet resulted in a settlement.
What personal information was exposed in the breach? +
The posted Massachusetts letter says the information that may have been involved varied by individual and may have included name, date of birth, contact information, and Social Security number. The Massachusetts filing lists name, date of birth, contact information, Social Security number and medical information. The Texas filing lists name of individual, address, Social Security number information, medical information, health insurance information and date of birth. Your letter may list what was involved for you.
Did Marathon Health offer free credit monitoring? +
Yes. The letter posted by the Massachusetts Attorney General offers a complimentary identity monitoring membership through Epiq Monitoring Solutions, with a coverage length shown as 12 or 24 months. The letter says the product includes credit monitoring, fraud consultation, and identity theft restoration, and its enrollment page lists 1-bureau credit monitoring. Enroll before the deadline printed in your letter. Enrollment does not waive your right to pursue a claim.
How many people were affected by the Marathon Health breach? +
Marathon Health reported 5,684,735 affected individuals to the Texas Attorney General, including 234,534 Texans. The Massachusetts filing lists 29,075 Massachusetts residents. This page will be updated as more information becomes available.
Is there a deadline to take legal action? +
Yes. Statutes of limitations for data breach claims vary by state and legal theory, typically ranging from one to six years. Waiting can permanently bar your claim. Contact us as soon as possible for a free evaluation.
How do I get a copy of the official breach notice? +
A copy of Marathon Health's notice letter is posted on the Massachusetts Attorney General's website (linked in Sources below), and the Texas Attorney General lists the report on its Data Security Breach Reports portal. If you received a letter but no longer have it, Dapeer Law can assist you in obtaining a copy during your free consultation.
Sources & references
- Official breach notice filing · Massachusetts Attorney General, Marathon Health notice letter
- Secondary regulator report · Texas Attorney General, Data Security Breach Reports (Marathon Health, posted Oct 30, 2026)
- Credit bureau freezes · Equifax · Experian · TransUnion
- Free weekly credit reports · AnnualCreditReport.com
- Identity theft recovery guide · FTC IdentityTheft.gov
Don't let the deadline decide for you. Submit your claim today.
You only have a limited window to act. Our team will review your notice, explain your options, and tell you whether you may be eligible to recover compensation, at no cost to you.
