JASCO Applied Sciences data breach
Incident readout
- Company
- JASCO Applied Sciences
- Reported to
- New Hampshire Attorney General
- Filed
- November 26, 2025
- People affected
- Not stated in the filing
- Incident type in filing
- Not stated
- Our review
- Investigation Open
Was this a ransomware attack?
The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.
What we know
JASCO Applied Sciences is a specialized technology and engineering firm focused on underwater acoustics, marine environmental monitoring, and scientific data analysis. Given the nature of their professional services and government contracting, they likely collect and store sensitive personal information including employee records, contractor details, and proprietary project data. This breach was officially reported to the New Hampshire Attorney General in 2025, confirming that unauthorized parties may have accessed internal systems. If you received a data breach notification letter, it indicates that your personal information was likely contained within the compromised files. We recommend reviewing the letter carefully to understand the specific scope of the exposure and taking immediate steps to monitor your accounts for any signs of misuse.
See every breach reported in New Hampshire or read what to do after a ransomware attack.
After the JASCO Applied Sciences incident: what to do and your options
- What should I do after getting the JASCO Applied Sciences 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.
- Did JASCO Applied Sciences offer free credit monitoring?
- Any free monitoring JASCO Applied Sciences is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Using the free service won't stop you from joining a lawsuit or settlement later.
- Can I sue JASCO Applied Sciences 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.
- Do I need a JASCO Applied Sciences data breach lawyer or attorney?
- Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
- Is there a JASCO Applied Sciences 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 JASCO Applied Sciences. 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.
- Is the JASCO Applied Sciences data breach letter legit or a scam?
- A notice from JASCO Applied Sciences in the mail matches the breach JASCO Applied Sciences reported to the New Hampshire Attorney General on November 26, 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 JASCO Applied Sciences through a phone number or website you find yourself.
- How much could a JASCO Applied Sciences data breach settlement or claim be worth?
- There is no set amount, and no JASCO Applied Sciences 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 breaches reported 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. This page reflects a public regulator filing; 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.