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A woman realizes that a company she uses has been accused of CCPA violations.

South Bay Credit Union Data Breach Investigation

Written by Joseph Lyon on . Posted in Data Breach.

The Data Breach Lawyers at The Lyon Firm are reviewing new claims of a reported data breach incident at California’s South Bay Credit Union. The company has confirmed a data security incident and is working toward alerting all impacted individuals. It has been reported that over 7,000 individuals may have had their personal data compromised.

If you receive a data breach notification letter from South Bay, it is important to understand the increased privacy risks associated with data theft incidents. Contact our legal team to learn more about how to protect yourself following a data breach and to consider filing a class action claim. We have filed numerous data breach lawsuits on behalf of clients in all fifty states and we offer free case reviews.

What happened at South Bay Credit Union?

In January 2025, South Bay Credit Union confirmed a data breach that reportedly affected 7,479 individuals. The breach was first discovered after the organization detected suspicious activity in an employee’s email account back in November 2024. An investigation concluded that an unauthorized individual gained access to the compromised email account and may have exposed sensitive personal information.

The impacted personal data may have included names, Social Security numbers, and financial account information. South Bay Credit Union disclosed the breach to the Maine Attorney General’s office as well as the Massachusetts Attorney General.

If you have been notified or believe that your information may have been stolen, it is critical to remain vigilant and monitor your credit reports and account statements for suspicious activity. Those individuals part of known breaches are urged to consider placing fraud alerts or credit freezes on credit files.

South Bay Credit Union has locations in Lomita and Redondo Beach, California. The company offers a range of banking services to individuals and businesses. An investigation is still ongoing, however, breach notices should be in the mail as of May, 13, 2025.