Data Breach Law Group Investigates the H&N Tax, Inc. dba CSA Tax Data Breach
By Data Breach Law Group | Posted on February 20, 2026 · New Hampshire
Miami, FL — Data Breach Law Group is investigating a data breach involving H&N Tax, Inc. dba CSA Tax, reported to the New Hampshire Attorney General on February 20, 2026. The firm is reviewing whether affected individuals have legal claims arising from the incident.
H&N Tax, Inc. dba CSA Tax is a professional tax preparation and financial services firm that handles highly sensitive personal and fiscal information for its clients. As part of their standard business operations, the company collects and stores comprehensive financial records, including tax returns, income statements, and government-issued identification numbers required for tax filings. In 2026, the company officially reported a data security incident to the New Hampshire Attorney General, confirming that unauthorized parties may have accessed client records. If you have received a data breach notification letter from the firm, it indicates that your personal information was potentially compromised during this event. This notice is intended to inform you of the incident and provide guidance on the steps you should take to protect your identity and financial accounts.
If you were affected
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Did you receive a letter from H&N Tax, Inc. dba CSA Tax?
A case review is free and confidential. Tell us about your letter and we will explain your options.