Commonwealth of Massachusetts Department of Revenue State data breach

Clerk's notes

The Commonwealth of Massachusetts Department of Revenue State filed notice of a data security incident on June 26, 2025. This notification indicates that an unauthorized event may have exposed sensitive personal information maintained by the agency. The Department of Revenue serves as the primary tax administration and revenue collection body for Massachusetts, handling a vast array of citizen and business data.

While specific details regarding the breach type and the exact categories of data involved are still under investigation, incidents affecting state revenue departments often stem from sophisticated cyberattacks or vulnerabilities within IT systems. For individuals who have received a notification, this means there is a possibility that your data, entrusted to the state, was accessed by unauthorized parties.

As a state governmental entity, the Department of Revenue is legally obligated to protect the personal information it collects under Massachusetts privacy laws, including M.G.L. c. 93H and 201 CMR 17.00. These regulations require robust security measures to prevent such incidents. The reported breach suggests a potential lapse in these critical safeguards.

If you received a data breach notification from the Commonwealth of Massachusetts Department of Revenue State, it is important to review the letter carefully for any guidance provided. Consider monitoring your accounts for unusual activity and remain vigilant against potential fraud. This notification confirms your status as an affected individual.

Understanding your rights and potential recourse after a data breach can be complex. Our firm is currently reviewing the circumstances surrounding this incident involving the Massachusetts Department of Revenue. If you are among those affected, a free case review can help clarify your options and determine if you are eligible to pursue legal remedies.

If a notification letter about this breach reached you, see every Massachusetts data breach on file or browse all cases.