St. Mary’s Credit Union Data Breach – Investigated by Federman & Sherwood
September 28, 2026 – Federman & Sherwood is investigating the St. Mary’s Credit Union data breach following a notification filed with the Massachusetts Office of Consumer Affairs and Business Regulation.
According to the filing, the data breach affected one Massachusetts resident, with additional individuals potentially affected nationwide. The information potentially affected includes credit or debit card numbers.
Financial institutions maintain highly sensitive customer information. The exposure of payment card information may increase the risk of unauthorized transactions, payment card fraud, and other forms of financial misuse.
Federman & Sherwood is investigating whether St. Mary’s Credit Union implemented reasonable cybersecurity safeguards to protect sensitive financial information and whether additional measures could have prevented or reduced the impact of the data breach.
The potentially compromised information may include:
- Names
- Financial information
- Other sensitive information
What is St. Mary’s Credit Union?
St. Mary’s Credit Union is a not-for-profit, member-owned financial cooperative based in Massachusetts that provides personal and business banking services.
Individuals affected by the St. Mary’s Credit Union data breach may have legal rights and are encouraged to contact Federman & Sherwood.
Phone: 1-800-237-1277 | Email: info@federmanlaw.com