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Case File: Radiation Oncology Network of Southern California, LLC Data Breach

This file collects the dated facts on record for the Radiation Oncology Network of Southern California, LLC incident. The state report is dated July 15, 2025. The incident itself is dated December 13, 2024.

Timeline

214 days separate the incident date from the date it was reported.

  1. December 13, 2024Incident dateWhen the filing says the breach took place.
  2. July 15, 2025Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state
California
Date reported
July 15, 2025
Incident date
December 13, 2024
Receiving office
California Attorney General

Case notes

Radiation Oncology Network of Southern California, LLC, operating in California, has reported a data breach incident. The breach reportedly occurred on December 13, 2024, as documented in a filing made on July 15, 2025.

Public records indicate that an investigation into the incident is currently ongoing. The precise details regarding the type of breach that occurred, the number of individuals potentially affected, and the specific categories of personal information involved have not been specified in the public filing.

Due to the unspecified nature of the exposed information, individuals potentially affected should remain vigilant. It is generally advisable to monitor personal accounts for any unusual activity. This includes reviewing financial statements and any notifications received from service providers.

Consider taking proactive steps such as changing passwords for online accounts, especially if you reuse credentials across multiple services. Be cautious of unsolicited communications, such as emails, calls, or texts, that request personal details, as these could be phishing attempts.

These details are based on information submitted to regulatory bodies. As the investigation progresses, additional information may become available regarding the scope and impact of this data security incident. Maintaining awareness and taking general protective measures is recommended.

Questions about this case file

Where does the Radiation Oncology Network of Southern California, LLC case file come from?
Every entry is taken from the breach report Radiation Oncology Network of Southern California, LLC lodged with the California Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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Filing source: California Attorney General