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Received a Brigham & Women's Hospital
notification letter?

If you received a data breach notification letter from Brigham & Women's Hospital, send us your details and a member of the legal team will review your request. There is no cost or obligation.

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Investigation OpenMassachusetts AG Filing · June 25, 2025

Join the Brigham & Women's Hospital Data Breach Class Action Lawsuit

Brigham & Women's Hospital is a world-renowned, premier academic medical center and founding member of Mass General Brigham, located in Boston, Massachusetts. As a major tertiary care hospital, research institution, and trauma center, the organization provides comprehensive medical services across virtually every specialty, from routine outpatient care to highly complex oncological and surgical interventions. To fulfill its mission of patient care, clinical research, and medical education, Brigham & Women's Hospital routinely collects, processes, and stores vast repositories of highly sensitive data. This includes exhaustive electronic health records, detailed treatment histories, insurance billing records, and personal identifying information for millions of patients, physicians, and staff members across the Commonwealth and beyond. In 2025, Brigham & Women's Hospital reported a significant data security incident to the Office of the Massachusetts Attorney General, raising serious concerns regarding the safety of patient and employee information. In the healthcare sector, data breaches typically involve sophisticated cyberattacks such as unauthorized intrusion into legacy network systems, ransomware deployments that encrypt critical databases, or vulnerabilities exploited within third-party medical billing and IT vendor ecosystems. Because healthcare networks serve as vast interconnected repositories of valuable personal data, they remain prime targets for malicious actors seeking to exfiltrate confidential files or disrupt critical hospital infrastructure. The exposure resulting from a healthcare data breach is uniquely dangerous because it compromises static, immutable personal identifiers alongside intimate medical and financial details. Victims typically face the unauthorized exposure of full names, dates of birth, Social Security numbers, medical record numbers, health insurance policy details, and granular diagnostic and treatment notes. Unlike compromised credit cards, which can be canceled and reissued, an individual's medical history and Social Security number cannot be changed. This exposes victims to severe, long-term risks including medical identity theft—where unauthorized parties obtain care under a victim's name—targeted phishing scams, fraudulent health insurance claims, and compromised financial accounts. As a covered entity under federal law, Brigham & Women's Hospital was bound by strict legal obligations under the Health Insurance Portability and Accountability Act (HIPAA) Security and Privacy Rules, as well as Massachusetts state data protection statutes. These regulations mandate the implementation of rigorous administrative, physical, and technical safeguards to secure electronic protected health information, including mandatory encryption, multi-factor authentication, regular security audits, and continuous network monitoring. The occurrence of a data breach of this magnitude serves as a strong indicator that potential vulnerabilities existed and that the institution may have failed to uphold its statutory and common-law duties to maintain adequate cybersecurity defenses. Receiving a data breach notification letter from Brigham & Women's Hospital is a formal acknowledgement that your confidential information was compromised due to corporate negligence. Legally, the receipt of this letter establishes the concrete injury and standing necessary to participate in a class action lawsuit against the hospital. Affected individuals do not need to wait until they experience actual financial loss or fraudulent activity to take legal action; the increased, imminent risk of identity theft is sufficient. Our law firm is actively investigating this data breach on a contingency fee basis, meaning you pay nothing out of pocket, and we only recover fees if we successfully secure a financial recovery on your behalf.

Massachusetts
State Filed
June 25, 2025
Date Filed

About the Notice You Received

About the Brigham & Women's Hospital Data Breach Notification Letter

If you received a data breach notification letter, notice, or mailing from Brigham & Women's Hospital, this communication confirms that your personal information was exposed or accessed without authorization.

Under Massachusetts law (M.G.L. c. 93H), companies are legally required to send a written breach notification to every affected resident. This may arrive as a letter in the mail, a formal notification mailing, or an email notice — all are equally valid as evidence of harm.

Your Brigham & Women's Hospital notification letter is more than an informational warning. It is legally required documentation — and the starting point for a potential class action claim against Brigham & Women's Hospital.

This notice may also be referred to as:

  • Data breach notification letter
  • Security incident notice
  • Data breach notice
  • Breach notification mailing
  • Consumer data breach letter
  • Personal information breach notice
  • Written notice of data breach
  • Data breach alert letter

It Takes 2 Minutes

How to Join This Class Action

1

Submit Your Info

Tell us you received a notification letter from Brigham & Women's Hospital. No need to have the letter handy — just your name and contact info.

2

Attorney Reviews Your Case

A licensed data breach attorney will review your eligibility within 24 hours and contact you directly. Completely free, no obligation.

3

Join & Pursue Compensation

If you qualify, your attorney handles everything. You pay nothing unless your case results in a recovery on your behalf.

Why This Breach Matters

What Brigham & Women's Hospital Held About You

Hospitals and health systems maintain some of the most comprehensive personal records that exist: diagnoses, treatment histories, surgical records, Social Security numbers, insurance policy details, and billing information. A hospital data breach can expose data that makes victims vulnerable to both medical identity fraud — where someone obtains care in your name — and financial identity theft from the billing and payment data on file.

Massachusetts residents are protected by M.G.L. c. 93H, which gives you the right to pursue legal remedies when a company fails to adequately protect your data.

Common Questions

About the Brigham & Women's Hospital Case

I received a Brigham & Women's Hospital breach notice — does it mean my data was stolen?

Yes. Receiving a Brigham & Women's Hospital data breach letter, notice, or notification mailing means your personal information was accessed or exposed without authorization. Companies are only required to send these notices when a confirmed breach occurred affecting your data specifically.

Is there a deadline to act after receiving my Brigham & Women's Hospital notification letter?

Yes. Massachusetts and federal law impose statutes of limitations on data breach claims. Once a class action lawsuit is filed by another attorney, the window to be a named plaintiff typically closes quickly. Submitting a free case review now ensures you are positioned before those windows pass. There is no cost and no obligation to find out if you qualify.

How much does it cost to pursue a claim?

Nothing upfront. Representation is 100% contingency-based — a fee is only collected if your case results in compensation. If there is no recovery, you owe nothing at any stage.

Why Join the Brigham & Women's Hospital Class Action?

Your Notification Letter Is Evidence

Brigham & Women's Hospital was required by law to notify you because your personal data was compromised. That letter is evidence of harm — and the foundation for a legal claim.

Statutes of Limitation Apply

Data breach claims have deadlines. The sooner you act after receiving your letter, the better positioned you are to participate and recover.

Class Actions Level the Playing Field

By joining with other Brigham & Women's Hospital letter recipients, you have access to legal resources that would be too costly to pursue individually.

Zero Risk, Contingency Only

You never pay attorney fees out of pocket. Our representation is 100% contingency-based — we only get paid if you recover compensation.

No Fee Unless You Recover

Have Questions? Call or Text Us Now

A member of the legal team is available to answer your questions. Or scroll to the top to submit your case review form — free and no obligation.

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