Patelco Credit Union reported a 2024 data breach involving unauthorized access to systems containing personal information. The California Attorney General’s breach database lists May 23, 2024, and June 29, 2024, as breach dates and records the notice as reported on August 20, 2024. Settlement materials state that Patelco discovered the incident on June 29, 2024, and began mailing and publishing incident notices in August 2024.
The exposed information may have included names, Social Security numbers, driver’s license numbers, dates of birth, and email addresses. Court materials describe approximately one million current and former members as potentially affected. The sources reviewed do not confirm exposure of medical records, health insurance information, bank account numbers, or payment-card numbers. The matter is the subject of a California class action, Cordell et al. v. Patelco Credit Union, and the case had a proposed settlement pending final resolution as of July 31, 2026.