The Radiation Oncology Network of Southern California, LLC Data Breach: Reported Filing Facts
Radiation Oncology Network of Southern California, LLC is a specialized healthcare provider focused on cancer treatment and radiation therapy services. As a medical entity, the company maintains highly sensitive patient records, including clinical histories, diagnostic imaging, and insurance billing details necessary for coordinating complex oncology care. In 2025, the organization officially reported a data security incident to the California Attorney General, confirming that unauthorized parties may have accessed or acquired sensitive patient information. If you have received a formal data breach notification letter from the network, it indicates that your personal or medical data was likely involved in this incident. This notice is intended to inform you of the event and provide guidance on the steps you should take to protect your identity and medical privacy.
- State
- California
- Breach date
- December 13, 2024
- Reported
- July 15, 2025
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