Understanding your Lanigan Ryan data breach notification letter
If a Lanigan Ryan letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.
Why you received this letter
Lanigan Ryan appears to be a professional accounting and tax services firm, which typically handles sensitive financial and personal documentation for individuals and businesses. In the course of providing these services, the firm collects and maintains highly sensitive data, including tax identification numbers, financial statements, and personal contact details. This data breach was officially reported to the New Hampshire Attorney General in 2025, confirming that unauthorized access to their systems occurred. If you received a data breach notification letter from Lanigan Ryan, it indicates that your personal information was likely contained within the compromised files. 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 security.
What to do after the letter
Confirm the notice is genuine
A legitimate Lanigan Ryan notice references the specific incident reported to the New Hampshire Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.
Keep the letter — it is your proof of connection
The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.
Protect your accounts and credit
Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.
Find out whether you have a claim
Whether the Lanigan Ryan breach gives you a legal claim depends on the facts. A free, no-obligation case review will tell you where you stand — there is no cost and no commitment to find out.
This page summarizes a data breach reported to the New Hampshire Attorney General for informational purposes and is attorney advertising. It does not create an attorney-client relationship. DataBreachLegalTeam.com does not provide legal advice through this page.