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Got a notice from Brigham & Women's Hospital? Here’s what to do.

Brigham & Women's Hospital told the Massachusetts Attorney General that people’s information was exposed. If you got a letter, work through the steps below.

Your checklist

  1. 1

    Keep the letter

    Save the notice from Brigham & Women's Hospital and its envelope. The date you were told can matter for legal deadlines.

  2. 2

    Freeze your credit

    The filing does not list what was taken, so play it safe. A free freeze at Equifax, Experian and TransUnion stops new accounts being opened in your name.

  3. 3

    Change reused passwords

    Change any password you used with this company or reused elsewhere, and turn on two-factor sign-in.

  4. 4

    Get a free claim review

    Our legal team checks whether you can be paid for this breach. No fee unless you recover.

Step 4: free claim review

Tell us you got the Brigham & Women's Hospital notice. An attorney, not a call center, reads it and tells you plainly whether you have a claim.

  • Free, no obligation
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  • Reply within 24 hours

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About the Brigham & Women's Hospital breach

Reported to
Massachusetts Attorney General
Date filed
June 25, 2025
People notified
Not stated
Cause in filing
Not stated

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.

Full ransomware checklist

Brigham & Women's Hospital data breach questions

Is the Brigham & Women's Hospital data breach letter legit or a scam?
A notice from Brigham & Women's Hospital in the mail matches the breach Brigham & Women's Hospital reported to the Massachusetts Attorney General on June 25, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Brigham & Women's Hospital through a phone number or website you find yourself.
Did Brigham & Women's Hospital offer free credit monitoring?
Look for an enrollment code in your Brigham & Women's Hospital notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Using the free service won't stop you from joining a lawsuit or settlement later.
Is there a Brigham & Women's Hospital data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Brigham & Women's Hospital. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
What should I do after getting the Brigham & Women's Hospital data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Do I need a Brigham & Women's Hospital data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
Can I sue Brigham & Women's Hospital over the data breach?
It depends on what was exposed, the law in Massachusetts and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
How much could a Brigham & Women's Hospital data breach settlement or claim be worth?
There is no set amount, and no Brigham & Women's Hospital settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.

Other notices sent in Massachusetts

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