Barton Gilman LLP Reports Data Security Incident to New Hampshire AG

Barton Gilman LLP, a professional law firm, filed a notice of a data security incident with the New Hampshire Attorney General's office on December 23, 2025. This notification was made to comply with state requirements concerning events involving the potential exposure of personal information.

As a law firm, Barton Gilman LLP routinely handles and stores highly sensitive personal and proprietary information as part of its legal services. While the specific categories of data involved in this incident remain unspecified in the public filing, individuals whose personal information was maintained by the firm may be affected.

The firm has indicated that an investigation into the security incident is ongoing. The exact date of the unauthorized access event is not specified, nor is the number of individuals whose data may have been involved in the compromise.

Individuals who have received a formal data breach notification letter from Barton Gilman LLP are advised to carefully review its contents. This letter should provide details specific to their situation, including the type of information involved and any identity protection services being offered by the firm.

It is generally recommended that anyone concerned about their personal information remain vigilant for signs of unusual activity in their financial accounts or other personal records. Regularly reviewing account statements and credit reports can help in detecting any unauthorized use of data.