Lydig Construction, Inc. data breach
Incident readout
- Company
- Lydig Construction, Inc.
- Reported to
- Montana Attorney General
- Filed
- December 12, 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
Lydig Construction, Inc. is a professional construction and general contracting firm that manages complex building projects and large-scale infrastructure developments. As an employer and project manager, the company typically collects and maintains sensitive personal information including Social Security numbers, payroll records, banking details for direct deposit, and tax documentation for its workforce and subcontractors. In 2025, the company officially reported a data security incident to the Montana Attorney General regarding the unauthorized access of this information. If you received a data breach notification letter from Lydig Construction, it indicates that your personal data was likely stored within their systems at the time of the incident. This notice is intended to inform you of the event and provide guidance on protecting your identity following the exposure.
See every breach reported in Montana or read what to do after a ransomware attack.
After the Lydig Construction, Inc. incident: what to do and your options
- What should I do after getting the Lydig Construction, Inc. 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 Lydig Construction, Inc. offer free credit monitoring?
- Any free monitoring Lydig Construction, Inc. 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 Lydig Construction, Inc. over the data breach?
- It depends on what was exposed, the law in Montana 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 Lydig Construction, Inc. 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 Lydig Construction, Inc. 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 Lydig Construction, Inc.. 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 Lydig Construction, Inc. data breach letter legit or a scam?
- A notice from Lydig Construction, Inc. in the mail matches the breach Lydig Construction, Inc. reported to the Montana Attorney General on December 12, 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 Lydig Construction, Inc. through a phone number or website you find yourself.
- How much could a Lydig Construction, Inc. data breach settlement or claim be worth?
- There is no set amount, and no Lydig Construction, Inc. 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 Montana
- MemberSource Credit UnionMontana Attorney General · Filed May 5, 2026Count not stated
- MemberSource Credit UnionMontana Attorney General · Filed May 5, 2026Count not stated
- MemberSource Credit UnionMT Attorney General · Filed May 5, 2026Count not stated
- GrayRobinson P.A.Montana Attorney General · Filed April 24, 2026Count not stated
- GrayRobinson P.A.Montana Attorney General · Filed April 24, 2026Count not stated
- GrayRobinson P.A.MT Attorney General · Filed April 24, 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.