CoVantage Credit Union and Marquis Software Solutions data breach

Clerk's notes

The New Hampshire Attorney General's office received a report on November 26, 2025, concerning a data breach impacting CoVantage Credit Union and Marquis Software Solutions. Both entities play significant roles in the financial sector, with CoVantage being a credit union and Marquis Software Solutions providing technology infrastructure, suggesting the systems involved hold sensitive information.

At present, the specific types of data exposed in this breach have not been detailed. Therefore, it is important to understand that any personal information you entrusted to CoVantage Credit Union or Marquis Software Solutions may have been compromised. If you received a data breach notification letter, it indicates your data was likely involved.

Individuals who have been notified about this breach should take proactive measures to protect themselves. This includes carefully reviewing all financial statements and credit reports for any unusual or unauthorized activity. Consider placing a fraud alert or security freeze on your credit if you are concerned about potential misuse of your information.

While the investigation is ongoing, it's crucial for affected individuals to remain vigilant. The purpose of a notification letter is to alert you that your personal information may have been accessed by unauthorized parties, requiring you to monitor your accounts and identity closely.

If you have received a data breach notification letter related to the CoVantage Credit Union and Marquis Software Solutions incident, you may be eligible for a free case review to understand your options. Speaking with a legal professional can help clarify the potential impact on your situation, though this is not a promise of results.

If a notification letter about this breach reached you, see every New Hampshire data breach on file or browse all cases.