WCIRB California Discloses October 2025 Data Incident

The Workers Compensation Insurance Rating Bureau of California (WCIRB) has filed an official notification with the California Attorney General concerning a data incident. This event, which involved unauthorized access to data, was first identified on October 9, 2025. The WCIRB submitted its report on February 21, 2026, and states that the incident is currently under investigation.

According to the public filing, unauthorized parties may have accessed personal information stored within the WCIRB's systems. While the specific categories of data exposed were not detailed in the filing, the notification indicates that individuals who received a letter were likely among those whose information was involved.

Receiving a direct notification letter about this incident means that your personal information was likely part of the compromised systems. These letters provide important guidance and often explain what steps the WCIRB is taking and what actions you might consider to help protect your data.

To safeguard yourself, it is advisable to regularly monitor your financial statements and credit reports for any unusual activity. You can obtain a free copy of your credit report from each of the three major credit bureaus annually at AnnualCreditReport.com. Reviewing these reports helps identify any accounts opened without your authorization or suspicious transactions.

Consider placing a fraud alert or a security freeze on your credit files. A fraud alert makes it harder for identity thieves to open new accounts in your name. A security freeze, which can be lifted temporarily when you need to apply for credit, restricts access to your credit report altogether. Both options can provide an additional layer of protection against potential misuse of your personal information.