Lanigan Ryan data breach

Clerk's notes

On May 28, 2025, Lanigan Ryan formally filed notice of a data breach with the New Hampshire Attorney General's office. The report confirms that the firm, which provides professional accounting and tax services, experienced an incident involving unauthorized access to its systems. An investigation into the scope and impact of this breach is currently underway.

For individuals who received a data breach notification letter from Lanigan Ryan, this indicates that your personal information was likely among the data accessed without authorization. While the precise nature of the compromised data is not specified in public records, firms like Lanigan Ryan typically handle highly sensitive personal and financial documentation.

Upon receiving a notification, it is prudent to immediately take steps to protect yourself. This includes carefully monitoring your financial accounts for any unusual activity and promptly reviewing your credit reports from the major bureaus. Be wary of unsolicited communications, as bad actors often exploit breach events.

Attorneys are currently investigating this incident to understand the full extent of the exposure and potential liabilities. If your personal information was affected by the Lanigan Ryan data breach, you may be entitled to legal recourse. A review of your specific situation can help clarify your options.

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