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CoVantage Credit Union via Marquis Software Solutions Data Breach Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the CoVantage Credit Union and Marquis Software Solutions data breach which has affected 160,000 CoVantage members nationwide.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About CoVantage Credit Union and Marquis Software Solutions
CoVantage Credit Union is a member-owned financial cooperative headquartered in Antigo, Wisconsin. Founded in 1953, it serves more than 170,000 members across Wisconsin, Michigan and Illinois.
Marquis Software Solutions is a technology company based in Texas that provides digital marketing, compliance software, customer relationship management systems and website design services to over 500 banks and credit unions nationwide.
What Happened?
On Aug. 14, 2025, Marquis Software Solutions detected suspicious activity on its network. After investigating with cybersecurity experts, they determined that an unauthorized third party had accessed and potentially acquired certain files from Marquis’ systems. The incident was limited to Marquis’ environment and did not impact CoVantage Credit Union’s internal systems.
By Sept. 8, 2025, Marquis engaged an expert to identify affected individuals. Notifications to the 160,000 affected members began in late October 2025.
Information Exposed:
- Names
- Addresses
- Phone numbers
- Social Security numbers
- Financial account information
- Dates of birth
As of Nov. 26, 2025, state disclosures note that 613 Texas residents were affected in addition to 22 in New Hampshire, 36 in Massachusetts and 21 in Maine.
Your Rights and Next Steps
If you received a notification about this breach or believe your information may have been involved, you have important rights and options. Marquis is offering affected individuals 24 months of complimentary credit monitoring and identity protection services through Epiq Privacy Solutions ID. This includes credit monitoring, identity theft insurance, dark web monitoring and dedicated support.
It is important to remain vigilant by reviewing account statements and credit reports for any unauthorized activity. You can also place a fraud alert or security freeze on your credit reports with the major credit bureaus. Instructions for these steps are included in the notification letter and can also be found on the Federal Trade Commission’s website.
If you notice any suspicious activity, report it immediately to your financial institution, law enforcement and the Federal Trade Commission. You may also contact your state attorney general’s office for additional guidance.
You May Be Entitled to Compensation
If your personal information was exposed in the CoVantage Credit Union and Marquis Software Solutions data breach, you may be eligible for compensation. Lawyers are ready to help affected individuals understand their rights and pursue claims for damages related to the breach.
To find out if you qualify and to join a potential lawsuit, complete the below form. This is a no-cost, risk-free way to take action and protect your rights.
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