Stonebridge First Financial Group Data Breach Class Action Investigation

Customers of Stonebridge First Financial Group may be at risk after a data breach exposed Social Security numbers, financial account information, and payment card numbers. If you received a data breach notification letter from Stonebridge First Financial Group, our data breach lawyers want to hear from you.

What Happened?

According to a report filed with the Massachusetts AG Office, a data breach affecting customers of Stonebridge First Financial Group was reported to state regulators on August 13, 2026. Information exposed in the breach reportedly included Social Security numbers, financial account information, driver's license numbers, and credit or debit card numbers. Affected individuals were notified directly by Stonebridge First Financial Group. The total number of individuals affected has not been disclosed. A notification letter has not yet been posted publicly.

If you are a customer or employee who did business with Stonebridge First Financial Group, you may be entitled to compensation. Fill out the form below to see if you qualify.

Steps To Take If You Were Affected

1. Monitor your credit reports and financial accounts for suspicious activity
2. Consider placing a fraud alert or credit freeze with all three major credit bureaus
3. Be alert to phishing emails or calls referencing the breach
4. Change passwords on any affected accounts and enable two-factor authentication
5. Keep a copy of your data breach notification letter for your records