Marquis Software Solutions, Inc.

Marquis Software Solutions, a third-party vendor for CoVantage Credit Union, experienced a cybersecurity incident on August 14, 2025, where an unauthorized third party accessed its network. The breach affected 22 New Hampshire residents, exposing names, addresses, phone numbers, Social Security numbers, financial account information, and dates of birth. Marquis engaged cybersecurity experts and notified law enforcement. Remediation included patching firewalls, rotating passwords, enabling MFA, and deploying EDR. Affected individuals received 24 months of credit monitoring.