> Cause not stated in filing
Langdon & Co. CPA LLP data breach investigation
- Filed
- August 21, 2025
- Regulator
- New Hampshire AG
- People affected
- Not stated
- File status
- Investigation Open
What the filing confirms
- Langdon & Co. CPA LLP reported the incident to the New Hampshire Attorney General.
Still unknown
- Which categories of personal information were taken. The filing does not list them.
- How many people were affected. The filing does not give a number.
- What caused the incident beyond the description in the filing.
- How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.
Investigation notes
Langdon & Co. CPA LLP is a professional accounting and tax services firm that manages sensitive financial and personal records for its clients. In the course of providing tax preparation, auditing, and financial consulting, the firm typically collects and stores highly sensitive information, including Social Security numbers, tax identification numbers, and detailed financial account records. This data breach was officially reported to the New Hampshire Attorney General in 2025, confirming that unauthorized access to firm systems occurred. If you received a data breach notification letter from Langdon & Co. CPA LLP, it indicates that your personal or financial information was likely contained within the compromised files. We recommend reviewing the letter carefully to understand the specific scope of the incident and the identity monitoring services being offered.
What our attorneys examine
A cyberattack does not excuse a company from protecting the information it holds. We look at whether Langdon & Co. CPA LLP used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in New Hampshire.
Langdon & Co. CPA LLP data breach questions
- Is the Langdon & Co. CPA LLP data breach letter legit or a scam?
- A notice from Langdon & Co. CPA LLP in the mail matches the breach Langdon & Co. CPA LLP reported to the New Hampshire Attorney General on August 21, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Langdon & Co. CPA LLP through a phone number or website you find yourself.
- Did Langdon & Co. CPA LLP offer free credit monitoring?
- Look for an enrollment code in your Langdon & Co. CPA LLP notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Using the free service won't stop you from joining a lawsuit or settlement later.
- Is there a Langdon & Co. CPA LLP data breach class action lawsuit?
- Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Langdon & Co. CPA LLP. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
- What should I do after getting the Langdon & Co. CPA LLP data breach notice?
- Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
- Do I need a Langdon & Co. CPA LLP data breach lawyer or attorney?
- An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
- Can I sue Langdon & Co. CPA LLP over the data breach?
- It depends on what was exposed, the law in New Hampshire and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
- How much could a Langdon & Co. CPA LLP data breach settlement or claim be worth?
- There is no set amount, and no Langdon & Co. CPA LLP settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Other open files in New Hampshire
- Janome America, Inc.New Hampshire Attorney General · Filed July 31, 2026Count not stated
- Sullivan Environmental ServicesNew Hampshire Attorney General · Filed July 31, 2026Count not stated
- City of New Britain, Inc.New Hampshire Attorney General · Filed July 30, 2026Count not stated
- New Hampshire Housing Yardi’s RentCafeNew Hampshire Attorney General · Filed July 30, 2026Count not stated
- Pocket FMNew Hampshire Attorney General · Filed July 30, 2026Count not stated
- Werth Wealth Management, LLCNew Hampshire Attorney General · Filed July 29, 2026Count not stated
Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.