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Golden State Radiation Oncology Data Breach

State
CA
Reported
Jul 15, 2025
Breach date
Dec 13, 2024

Golden State Radiation Oncology recently announced a data security incident impacting individuals whose personal information it held. The breach, which occurred on December 13, 2024, was reported to authorities on July 15, 2025. This notice serves to inform those who received a letter about the potential exposure of their sensitive data.

When personal information is compromised, individuals face an increased risk of identity theft and various forms of fraud. It's crucial for anyone affected to take protective measures to safeguard their digital and financial well-being following such an event. The company is currently investigating the full scope of the incident.

To help protect yourself, closely monitor your financial accounts and credit reports for any unusual activity. Be cautious of unsolicited emails, texts, or calls, as scammers often try to exploit data breaches by impersonating legitimate organizations to trick victims into revealing more information. Consider changing passwords for online accounts, especially if you reused them across multiple services.

Given the breach at Golden State Radiation Oncology, legal professionals are investigating whether affected individuals may have grounds for a data breach class action lawsuit. Such legal action aims to hold the responsible party accountable and seek compensation for damages caused by the exposure of personal information.

If you received a data breach notification letter from Golden State Radiation Oncology, you might be eligible to join a class action investigation. A free, no-obligation case review can help you understand your legal rights and explore potential next steps.

Got a letter from Golden State Radiation Oncology?

A licensed data breach attorney will review your situation for free. No fee unless you recover.

Reviewed by David S. Harris, Esq., Law Office of David S. Harris · Florida Bar No. 0112739. About the firm

Source: CA attorney general breach filing