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.

Case file

Case File: California Cancer Associates for Research and Excellence - Fresno Data Breach

This file collects the dated facts on record for the California Cancer Associates for Research and Excellence - Fresno incident. The state report is dated June 27, 2025. The incident itself is dated December 13, 2024.

Timeline

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

December 13, 2024Incident dateWhen the filing says the breach took place.
June 27, 2025Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state: California
Date reported: June 27, 2025
Incident date: December 13, 2024
Receiving office: California Attorney General

Case notes

California Cancer Associates for Research and Excellence - Fresno, a healthcare provider specializing in oncology and hematology, publicly reported a data security incident to the California Attorney General on June 27, 2025. The organization confirmed that unauthorized access to its systems took place on December 13, 2024.

As a medical facility, California Cancer Associates maintains sensitive patient records. The incident description from the organization indicates that personal information, including comprehensive medical histories, diagnostic reports, and insurance billing details, may have been impacted, though specific categories were not enumerated in public filings.

If you received a data breach notification letter from California Cancer Associates for Research and Excellence - Fresno, it indicates that your personal information or protected health information may have been compromised during this event. The notification should specify the nature of the incident and the categories of data involved that pertain to you.

It is advisable to carefully review any such notification letter. Consider remaining vigilant for any unusual activity, such as unexpected bills or communications. Monitoring your credit reports and financial statements for any suspicious entries is also a recommended precaution. This documentation serves as a public record of the reported incident.

Questions about this case file

Where does the California Cancer Associates for Research and Excellence - Fresno case file come from?: Every entry is taken from the breach report California Cancer Associates for Research and Excellence - Fresno 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.

California data breaches

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Timeline

Case facts

Case notes

Questions about this case file

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