Department of Revenue Data Breach Lawsuit Investigation
The Department of Revenue recently informed regulators of an unauthorized disclosure that exposed one individual’s Social Security number. If you received a breach letter, you may be entitled to free identity-protection services and potential legal remedies. Check Your Legal Options
At a Glance
- Breach disclosed to state regulators: December 16, 2025
- Total individuals affected: 1
- Data exposed: Social Security number
- Free credit monitoring offered: 24 months through Experian IdentityWorks
- Notice PDF: Download Official Breach Notice (PDF)
What Happened?
According to a filing with the Massachusetts Office of the Attorney General, the Department of Revenue (“DOR”) identified an unauthorized disclosure of personal information. The agency’s letter states it currently has no evidence that the data has been used for identity theft or fraud.
What Information Was Involved?
The breach notice confirms that the incident exposed the affected individual’s:
- Social Security number
How the Department of Revenue Responded
Pursuant to Massachusetts General Laws Chapter 93H, DOR provided detailed instructions on consumers’ right to place a security freeze and other protective measures. The agency also arranged complimentary credit monitoring and identity-theft protection for 24 months through Experian IdentityWorks. Impacted people must enroll by the deadline specified in their letter using the unique activation code provided.
Credit Monitoring Enrollment
To activate the Experian IdentityWorks membership:
- Visit experianidworks.com/3bplus.
- Enter your personal Activation Code and Engagement Number found in the breach letter.
- For questions about the service, call Experian at 1-877-890-9332.
Your Next Steps
The agency’s notice outlines several immediate actions impacted individuals can take:
- Request and retain any police report related to identity theft.
- Place a free security freeze with each credit bureau—Equifax, Experian, and TransUnion—to prevent new credit from being opened in your name without consent.
- Monitor financial accounts and credit reports for suspicious activity.
Credit Bureau Contact Information
- Equifax: www.equifax.com | 1-800-349-9960
- Experian: www.experian.com | 1-888-397-3742
- TransUnion: www.transunion.com | 1-888-909-8872
Investigation and Legal Options
JointheCase.com is investigating potential claims on behalf of individuals whose data was exposed. Even one leaked Social Security number can open the door to tax-return fraud and other forms of identity theft. If you received a notification from the Department of Revenue, you may:
- Be entitled to compensation for time spent monitoring accounts and securing your identity.
- Qualify for statutory damages under state and federal privacy laws.
- Join a collective action seeking stronger data-security commitments from DOR.
Company Overview
Department of Revenue is a public agency tasked with administering tax laws and related revenue functions. No additional corporate details were provided in the breach filing.
Frequently Asked Questions
I received a data breach letter from Department of Revenue — what should I do?
Follow the steps in the notice: enroll in the free Experian IdentityWorks service, consider placing a credit freeze, and monitor your financial accounts. Keep the letter and any police report you file.
How do I submit a claim related to the Department of Revenue data breach?
You can request a free consultation through JointheCase.com to learn whether you qualify to participate in a lawsuit or compensation program.
Am I eligible to join a lawsuit against Department of Revenue?
If your Social Security number was disclosed, you may have legal claims for statutory damages and reimbursement of out-of-pocket expenses. Eligibility determinations are made on a case-by-case basis.
What information did the Department of Revenue breach expose?
The breach notice states that the affected individual’s Social Security number was disclosed.
Did Department of Revenue offer credit monitoring, and for how long?
Yes. The agency is providing 24 months of free credit monitoring and identity-theft protection through Experian IdentityWorks.
How many people were affected by the Department of Revenue breach?
The filing with the Massachusetts Attorney General lists 1 affected individual.
How can I get the official breach notice (PDF) for Department of Revenue?
You can download it directly from the Massachusetts Attorney General website: Official Breach Notice (PDF).