Marquis Data Breach: SSNs Exposed
By Join The Case · Published November 21, 2025 · Updated November 21, 2025 · 7 min read
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Dapeer Law, P.A., a top-rated class action law firm, is investigating the Marquis data breach. If you received notice that your information was exposed during this breach, you may be entitled to compensation. It's free to join our investigation to see if we can help you recover.

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Marquis Data Breach Lawsuit Investigation

On November 20, 2025, data-services provider Marquis disclosed a cybersecurity incident that compromised personal information belonging to Norway Savings Bank (NSB) customers. Individuals who received a breach notification letter can explore their legal rights and learn practical steps to secure their identities below.

Take action: Review the facts, enroll in the free protection services offered, and consider a no-cost legal review to determine whether you can pursue a claim for any resulting losses.

Key Facts About the Incident

  • Breach date: August 14, 2025
  • Investigation completed: October 27, 2025
  • Regulatory disclosure filed in Maine: November 20, 2025
  • Systems involved: Third-party data environment used by NSB vendor Marquis; NSB’s internal systems were not impacted.

What Information Was Exposed?

The review determined that the following data elements may have been accessed:

  • Names
  • Addresses
  • Dates of birth
  • Social Security numbers
  • Tax identification numbers
  • Financial account information (Norway Savings Asset Management Group accounts were not affected)

Remediation and Assistance Offered

Norway Savings Bank is providing complimentary credit monitoring and identity-theft protection services through IDX. The package includes:

  • Credit and CyberScan monitoring
  • Identity-theft recovery assistance
  • Up to $1,000,000 in reimbursement insurance

Customers must enroll before the deadline provided in their individual letter by calling IDX Monday–Friday, 8 a.m.–8 p.m.

Download Official Breach Notice (PDF)

Steps You Can Take Right Now

  • Activate NSB online or mobile account alerts.
  • Monitor account activity and report unauthorized transactions immediately at 1-888-725-2207 (or 1-800-472-3272 after hours).
  • Use the CardHub feature in the NSB Mobile App to turn your debit card on or off.
  • Place a fraud alert or security freeze on your credit files with the major credit bureaus.

Potential Legal Claims

Data breach laws allow affected consumers to seek compensation when negligence leads to the exposure of sensitive information. If you incurred out-of-pocket expenses, experienced identity theft, or spent time resolving fraud related to this incident, you may be entitled to damages.

Request a free case evaluation to learn whether you qualify to join a Marquis data breach lawsuit or settlement investigation.

Company Overview

Marquis Software Solutions (Marquis) is a financial-services technology provider founded in 1986 and headquartered at 5208 Tennyson Pkwy Suite 120, Plano, Texas, United States.

Frequently Asked Questions

I received a data breach letter from Marquis — what should I do?
Follow the enrollment instructions to activate the free IDX protection, monitor your NSB accounts closely, and consider obtaining a legal review to understand your rights.
How do I submit a claim related to the Marquis data breach?
Document any fraud-related expenses or time losses, then contact a consumer-privacy attorney to explore filing a claim or joining a class action.
Am I eligible to join a lawsuit against Marquis?
If your personal information listed above was exposed and you suffered financial or other harm, you may qualify. Eligibility is determined on a case-by-case basis.
What information did the Marquis breach expose?
Names, addresses, dates of birth, Social Security numbers, tax IDs, and certain financial account details tied to Norway Savings Bank customers.
Did Marquis offer credit monitoring, and for how long?
Yes. Impacted individuals can enroll in complimentary monitoring and identity-theft recovery services through IDX. Duration details are provided in each person’s notification letter.
How many people were affected by the Marquis breach?
The total number of impacted individuals was not listed in the Maine Attorney General filing.
How can I get the official breach notice (PDF) for Marquis?
You can download it directly from the Maine Attorney General’s website using the button above or via this link: Official Notice.
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