Mass General Brigham Incorporated Data Breach

Notification Issued

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Breach Summary

Mass General Brigham Incorporated is a prominent integrated healthcare system that operates numerous hospitals, clinics, and research facilities. As a major provider of medical services, the organization collects and maintains highly sensitive personal information, including comprehensive health records, diagnostic data, and insurance details necessary for patient care and billing. In 2025, the company officially reported a data security incident to the New Hampshire Attorney General, confirming that unauthorized access to its systems occurred. If you received a data breach notification letter from Mass General Brigham, it indicates that your personal or protected health information may have been compromised during this event. This notification is intended to inform you of the incident and provide guidance on the steps you can take to protect your identity and medical privacy.

Case Status

Notification Issued

Notifications Sent

2025-10-23

States Reported To

1 state

Data Types Exposed

8 categories

Data Types Exposed in This Breach

Date of BirthView all →
Social Security NumberView all →
Medical Record NumberView all →
Health Insurance InformationView all →
Diagnosis and Treatment InformationView all →
Prescription InformationView all →
Contact InformationView all →

States Where Victims Were Notified

⏳ Time-Limited: Statute of Limitations Applies

Data breach lawsuits are typically subject to a 1–3 year statute of limitations from the date you were notified. Once that window closes, your right to compensation is permanently forfeited — regardless of the harm you suffered. If you received a notification letter from Mass General Brigham Incorporated, acting now preserves your legal options.

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Frequently Asked Questions About the Mass General Brigham Incorporated Data Breach

Was I affected by the Mass General Brigham Incorporated data breach?

If you received a data breach notification letter from Mass General Brigham Incorporated, your personal information was compromised. The breach affected people across 1 state and exposed data including Name, Date of Birth, Social Security Number.

Can I sue Mass General Brigham Incorporated for the data breach?

Yes. If you were notified of the Mass General Brigham Incorporated data breach, you may qualify for compensation through a class action lawsuit. Victims can potentially recover damages for identity theft risk, credit monitoring costs, and the loss of personal privacy. A free, confidential case review is available — no fee unless you win.

What is the deadline to file a Mass General Brigham Incorporated data breach claim?

Data breach claims typically have a statute of limitations of 1–3 years from the date you were notified. Missing this deadline permanently forfeits your right to compensation. Contact an attorney as soon as possible to protect your legal rights.

What compensation can I receive from a Mass General Brigham Incorporated data breach settlement?

Settlement amounts vary by case. Victims of data breaches have received compensation for out-of-pocket losses (fraudulent charges, credit monitoring, identity restoration costs), time spent dealing with the breach, and general damages for exposure of sensitive personal information such as Name, Date of Birth, Social Security Number.

Official Sources & Filings

Related Resource

Did You Receive a Mass General Brigham Incorporated Notification Letter?

Step-by-step guide: what the letter means, what to do next, and how to claim compensation.

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Law Office of David S. Harris

Concerned about the Mass General Brigham Incorporated breach?

Request a confidential review — no cost or obligation.

Class action deadlines are time-sensitive — an attorney will call you within the hour.

An attorney will call you directly

No fee unless we win · Attorney-client privilege protected

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