Suffolk Federal Credit Union data breach

Clerk's notes

Suffolk Federal Credit Union, a financial institution serving members in California, filed a report on September 11, 2026, detailing an unspecified data security incident. This breach, which occurred on or about September 17, 2025, indicates that confidential information entrusted to the credit union may have been compromised. The status of this incident is currently listed as monitoring.

The reported exposed data categories include individuals' Full Name, Social Security Number, Financial Account Number, Date of Birth, Routing Number, Credit Score Information, Transaction History, and Mailing Address. The exposure of such detailed financial and personal identifiers presents a significant risk for affected members, potentially leading to identity theft, account fraud, and other unauthorized activities.

Individuals who received an official data breach notification letter from Suffolk Federal Credit Union should carefully review the document for specific details regarding the incident. It is advisable to promptly monitor credit reports, bank statements, and any other financial accounts for suspicious or unauthorized transactions. These notification letters serve as confirmation that your personal data was involved in this security lapse.

Financial institutions like Suffolk Federal Credit Union are subject to stringent regulatory frameworks, such as the Gramm-Leach-Bliley Act, which mandate the protection of consumer non-public personal information. A data breach of this nature suggests potential deficiencies in the credit union’s security measures, which could include failures in maintaining adequate safeguards against unauthorized access.

If you have received a notification letter regarding the Suffolk Federal Credit Union data breach, you may be eligible for a no-cost case review. Our firm offers free evaluations to help individuals understand their legal options following such incidents, without the need to demonstrate actual financial loss to qualify.

If a notification letter about this breach reached you, see every California data breach on file or browse all cases.