CoVantage Credit Union Data Breach
Last Updated on December 3, 2025
At A Glance
- What's Going On?
- Attorneys are gathering people affected by the CoVantage Credit Union data breach to take legal action via mass arbitration.
- What You Can Do
- If you got a notice about the CoVantage Credit Union data breach or otherwise believe you were affected, fill out this quick form to sign up. Though there are no guarantees, you could be owed $100s.
- What Am I Signing Up For, Exactly?
- You are signing up for what’s known as mass arbitration, which is different from a class action and involves hundreds or thousands of consumers filing individual arbitration claims against the same company at the same time.
- Does This Cost Anything?
- It costs nothing to sign up, and the attorneys will only get paid if they win your claim.
Affected by the CoVantage Bank data breach?
CoVantage Credit Union Data Breach: Legal Investigation
Attorneys working with ClassAction.org are gathering consumers to sign up for legal action in light of the CoVantage Credit Union data breach.
If you received a notice about the breach or otherwise believe you were affected, keep reading to learn more and find out how to sign up.
CoVantage Credit Union Security Incident: What Happened?
CoVantage Credit Union, a financial services company with branches in Wisconsin, Michigan and Illinois, has disclosed a data breach impacting third-party marketing and communications vendor Marquis Software Solutions.
According to a letter from the Wisconsin-based credit union’s attorneys, the Marquis data breach, which was detected on August 14, 2025, involved unauthorized access to the vendor’s systems and certain files stored therein. The cybersecurity incident was reportedly limited to Marquis’s computer environment and did not affect CoVantage’s internal network.
The third-party vendor determined on October 27, 2025 that the Marquis data breach compromised individuals’ names, addresses, phone numbers, Social Security numbers, financial account details and dates of birth. The company issued notices to those impacted on or around November 26.
According to a report submitted to the Maine Attorney General's Office, the CoVantage Credit Union data breach affected 160,000 people.
What You Can Do After the CoVantage Credit Union Data Breach
If you got a notice about the CoVantage Credit Union data breach or otherwise believe you were affected, you may be able to take legal action via mass arbitration, which is different from a class action lawsuit.
Though there are no guarantees, it's possible that victims of the CoVantage Credit Union data breach could be owed $100s for potential violations of their rights.
Got a notice about the CoVantage Credit Union data breach or believe you were affected? Fill out this quick, secure form to join others taking action.
CoVantage Credit Union Data Breach Notice
Take Action
Do you have a savings or checking account with CoVantage, or have you taken out a loan with the credit union? If you're 18+ and believe your information was exposed in the CoVantage Credit Union data breach, join others taking action by filling out this quick, secure form.
Published: December 1, 2025
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The information submitted on this page will be forwarded to Bryson Harris Suciu & DeMay PLLC who has sponsored this investigation.
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