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Learn how to participate in the class action and what compensation you may be entitled to.
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Verify My Notice LetterThis case file references a public filing made with the state filing in MA. This website is not affiliated with, endorsed by, or operated by any state government agency.
Based on the data types reported in this filing:
Your SSN is the master key to your identity. Once exposed, criminals can open new lines of credit, take out loans, or file taxes in your name.
Combined with a name and other leaked data, date of birth helps criminals pass identity verification questions at banks and government agencies.
Home address exposure can enable mail theft, package fraud, and targeted phishing attacks that reference your known location.
As a healthcare organization, Mass General Hospital was entrusted with some of the most sensitive data a person can share. According to a MA state filing, Mass General Hospital experienced a data security incident affecting an undisclosed number of individuals, exposing protected health information and medical records. This case remains active and individuals are still being identified.
Medical data breaches carry consequences that extend far beyond financial fraud. Stolen health records have been used to obtain controlled prescriptions, falsify insurance claims, and corrupt patients' permanent health histories — damage that can take years to identify and correct. If Mass General Hospital held your health records, the exposure of that information has serious long-term implications.
Based on its name, Mass General Hospital appears to be a major healthcare provider and medical institution. Organizations in this sector typically collect and store sensitive personal information, including full names, dates of birth, Social Security numbers, medical record numbers, health insurance details, and specific diagnosis and treatment information. In 2025, the organization officially reported a data breach to the Massachusetts Attorney General. If you received a data breach notification letter in the mail, it means your personal information may have been involved in this security incident. The letter was sent to provide you with details regarding the event and to inform you of the protective steps and resources available to you.
Common categories of compensation in data breach class actions
Courts recognize that the time spent monitoring accounts, placing credit freezes, and dealing with the aftermath of a breach has real economic value. This category of damages is recoverable even without direct financial loss.
Professional credit monitoring services cost $10–$40 per month. Identity theft restoration services, if needed, can cost hundreds of hours and thousands of dollars. Courts have awarded these costs as direct damages in SSN breach cases.
HIPAA violations carry civil penalties between $100 and $50,000 per violation. Where a healthcare organization's negligence led to the exposure of protected health information, class members may recover statutory damages in addition to actual losses.
Several state data breach laws provide for statutory minimum damages — fixed amounts recoverable per affected individual regardless of actual loss. These provisions exist specifically to make legal action viable for victims who have not yet experienced direct harm.
Under the Massachusetts Data Security Law (201 CMR 17.00), you may have a legal claim against Mass General Hospital if any of the following apply:
Applicable State Law
This breach was reported under the Massachusetts Data Security Law (201 CMR 17.00), which mandates notification and establishes your right to seek damages.
Received a notification letter from Mass General Hospital?
Read our dedicated guide — what the letter means and what to do.
No. Under Massachusetts Data Security Law (201 CMR 17.00) and federal law, the unauthorized exposure of your personal data — regardless of whether it has been actively misused — can be sufficient grounds for a claim. The breach itself is the injury.
Nothing. The Law Office of David S. Harris handles data breach cases on contingency — you pay zero upfront and owe nothing unless compensation is recovered.
Immediately place a free credit freeze at all three bureaus (Equifax, Experian, TransUnion). A freeze blocks new accounts from being opened in your name. Then file a complaint with the FTC at IdentityTheft.gov and contact our office — SSN exposure is one of the most serious breach types.
If Mass General Hospital is a covered healthcare entity or business associate under HIPAA, affected patients have additional rights — including the right to an HHS complaint. These HIPAA violations also strengthen civil damages claims. Consult an attorney to understand your full remedies.
State statutes of limitations for data breach claims typically run 2–4 years from the date of the breach or its discovery. Because this breach was recently disclosed, the window is open — but acting early preserves your options and strengthens the case.
Accepting free credit monitoring from Mass General Hospital does not waive your right to pursue legal action unless you signed a specific release waiving claims. In most cases, victims who accepted monitoring can still file.
Not necessarily. Many data breach victims are never notified directly. If your personal information was held by Mass General Hospital during the relevant period, you may still qualify even without receiving a letter. A free eligibility review can confirm your status.
Mass General Hospital breach?
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