Understanding your CoVantage Credit Union and Marquis Software Solutions data breach notification letter
If a CoVantage Credit Union and Marquis Software Solutions letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.
Why you received this letter
CoVantage Credit Union is a financial institution that provides banking and lending services, while Marquis Software Solutions appears to be a technology provider specializing in software infrastructure for the financial sector. These organizations typically collect and store highly sensitive personal and financial information, including government identification numbers, account details, and transaction histories, to facilitate secure banking operations. In 2025, a data breach involving these entities was officially reported to the New Hampshire Attorney General, indicating that unauthorized parties may have accessed stored records. If you have received a data breach notification letter, it means your personal information was likely contained within the affected systems, and you should take immediate steps to monitor your financial accounts and credit reports for suspicious activity.
What to do after the letter
Confirm the notice is genuine
A legitimate CoVantage Credit Union and Marquis Software Solutions notice references the specific incident reported to the New Hampshire Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.
Keep the letter — it is your proof of connection
The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.
Protect your accounts and credit
Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.
Check the record against the public filing
You can verify the CoVantage Credit Union and Marquis Software Solutions incident against the filing reported to the New Hampshire Attorney General. This registry summarizes what was filed; it does not provide legal advice.
This page summarizes a data breach reported to the New Hampshire Attorney General for informational purposes. DataBreachInformation.com is a neutral reference registry and does not provide legal advice.