• November 2025 •

CoVantage Credit Union Data Breach

Last Updated on December 2, 2025

If your information was compromised in the CoVantage Credit Union data breach, you may be able to start a class action to collect money for the harm you’ve suffered.

• Keep reading for more information

At A Glance

What's Going On?: Attorneys need to hear from people affected by the CoVantage Credit Union data breach as they investigate whether a class action lawsuit can be filed.
What You Can Do: If you believe your information may have been compromised in the CoVantage Credit Union data breach, fill out the form on this page to learn more about the investigation and how you can help.
Does This Cost Anything?: It costs nothing to get in touch or to talk to someone about your rights.
What Can I Get?: If filed and successful, a class action lawsuit could provide consumers with money for any harm resulting from the CoVantage Credit Union breach.

CoVantage Credit Union Data Breach: Lawsuit Investigation

Attorneys working with ClassAction.org are looking into whether a class action lawsuit can be filed in light of the CoVantage Credit Union data breach.

As part of their investigation, they need to hear from individuals who had their information exposed in the incident, including those who received notice of the CoVantage Credit Union data breach or otherwise believe they are affected.

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 your information was exposed in the CoVantage Credit Union data breach, attorneys want to hear from you. You may be able to start a class action lawsuit to recover compensation for loss of privacy, time spent dealing with the breach, out-of-pocket costs, and more.

A successful case could also force CoVantage Credit Union to ensure they take proper steps to protect the information they were entrusted with.

Affected by the CoVantage Credit Union data breach? Fill out the form on this page today.