Fallon Health Data Breach: SSNs Exposed
By Join The Case · Published December 19, 2025 · Updated December 19, 2025 · 5 min read
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Dapeer Law, P.A., a top-rated class action law firm, is investigating the Fallon Health data breach. If you received notice that your information was exposed during this breach, you may be entitled to compensation. It's free to join our investigation to see if we can help you recover.

Fallon Health Data Breach Lawsuit Investigation

On August 18, 2025, Fallon Health mailed notices disclosing that an email error exposed sensitive member information, including Social Security numbers and protected health details. If you received a letter, you may be entitled to free credit monitoring and could qualify to pursue compensation for any resulting losses. Review the confirmed facts below and explore your next steps.

Key Timeline

  • Incident discovered: July 28, 2025
  • Member letters sent: August 18, 2025
  • Reported to MA Attorney General: December 19, 2025

What Happened

Fallon Health learned on July 28, 2025, that a member’s protected health information (PHI) was mistakenly emailed to unauthorized recipients. The misdirected email contained documents with personal details. Fallon Health states it promptly investigated the mistake and asked the unintended recipients to destroy the information.

Data Exposed

The letter confirms that the following information may have been viewed:

  • Member name
  • Address
  • Date of birth
  • Social Security number
  • MassHealth ID
  • Medical information contained in the emailed documents

Total individuals affected: 1 (Massachusetts resident)

Fallon Health’s Response

According to the notice, Fallon Health:

  • Took “prompt action” to investigate the error.
  • Made repeated efforts to have the mis-sent materials destroyed.
  • Is reinforcing existing privacy policies and evaluating additional safeguards.
  • Offered two years of complimentary credit monitoring to the impacted member.
Download Official Breach Notice (PDF)

Your Recommended Actions

Fallon Health advises the affected individual to:

  • Enroll in the provided credit-monitoring service.
  • Review bank, credit-card, and Fallon Health statements for suspicious activity.
  • Consider placing a 90-day fraud alert or security freeze with Equifax, Experian, or TransUnion.
  • Order free annual credit reports at AnnualCreditReport.com and dispute any unfamiliar entries.
  • Visit the FTC Identity Theft portal for additional guidance.

Company Overview

Fallon Health is a regional not-for-profit health insurer headquartered in Worcester, Massachusetts.

Frequently Asked Questions

I received a data breach letter from Fallon Health — what should I do?

Follow the instructions in the notice, enroll in the complimentary credit-monitoring service, and closely review your financial and medical statements for any unauthorized activity.

How many people were affected by the Fallon Health data breach?

The company reported the incident to the Massachusetts Attorney General as impacting one individual.

What information did the Fallon Health breach expose?

The misdirected email contained the member’s name, address, date of birth, Social Security number, MassHealth ID, and medical information.

Did Fallon Health offer credit monitoring?

Yes. The notice offers two years of free credit monitoring for the affected member.

How do I submit a claim related to the Fallon Health data breach?

Impacted individuals can typically seek compensation through a class-action or individual claim. Retain your breach letter and proof of any out-of-pocket losses, then consult an attorney experienced with health-care data cases.

Where can I download the official Fallon Health breach notice?

You can download it directly from the Massachusetts Attorney General website using the link above labeled “Download Official Breach Notice (PDF).”

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