CoVantage Credit Union Data Breach Investigation

Recently, CoVantage reported to the Attorney General of New Hampshire that it had experienced a data breach in which sensitive personal identifiable information in its care may have been compromised. According to the breach notice, on August 14, 2025, CoVantage identified suspicious activity on its network and determined that it was the result of a cybersecurity incident.¹ As a result, CoVantage launched an investigation to determine the nature of the incident.

Through its investigation, CoVantage confirmed that sensitive personal information in its systems may have been accessed and acquired by an unauthorized third party during the breach. As a result, CoVantage began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. While the information impacted varies depending on the individual, the type of information potentially exposed includes:

• Name
• Social Security number
• Address
• Phone number
• Financial account information
• Date of birth

On November 26, 2025, CoVantage began mailing data breach notification letters to impacted individuals. Based on the breach notice sent to New Hampshire residents, CoVantage is providing affected individuals with a list of the specific types of sensitive information impacted and 24 months of complimentary credit monitoring services. A link to the breach notification letters that CoVantage filed with the Attorney General of New Hampshire is below.