Mercadien P.C., CPAs Reports Data Security Incident to New Hampshire AG

Mercadien P.C., CPAs, a firm providing financial, tax, and consulting services, formally reported a data security incident to the New Hampshire Attorney General's office. This report, filed on July 20, 2026, initiates the public record of the event. The details surrounding the breach type and the exact date it occurred remain unknown at this time.

The firm's notification indicates that personal information entrusted to Mercadien P.C., CPAs may have been compromised. However, the specific categories of data involved have not been specified in the public filing. The number of individuals affected by this incident is also currently unspecified.

Given the nature of services provided by accounting firms, they routinely handle sensitive client and employee data. While the types of information involved in this specific breach are not detailed, any compromise of personal data warrants careful attention from affected individuals. The investigation into the incident is currently ongoing.

Individuals who receive a direct notification from Mercadien P.C., CPAs should carefully review the information provided in that communication. It is generally advisable to remain vigilant for any unusual activity across financial accounts and to be cautious of unsolicited communications that might attempt to solicit personal details. Consider monitoring credit reports for unauthorized inquiries or new accounts.

Because the investigation is still active, further details regarding the full extent of the compromise and any additional protective measures may become available as the firm continues its assessment. Affected individuals should follow any guidance provided directly by Mercadien P.C., CPAs.