Where does the Stockton Cardiology Medical Group case file come from?

Every entry is taken from the breach report Stockton Cardiology Medical Group 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.

Case file

Case File: Stockton Cardiology Medical Group Data Breach

This file collects the dated facts on record for the Stockton Cardiology Medical Group incident. The state report is dated March 20, 2026. The incident itself is dated December 15, 2025.

Timeline

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

December 15, 2025Incident dateWhen the filing says the breach took place.
March 20, 2026Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state: California
Date reported: March 20, 2026
Incident date: December 15, 2025
Receiving office: California Attorney General

Case notes

Stockton Cardiology Medical Group recently acknowledged a data incident that took place on December 15, 2025. This incident was officially reported on March 20, 2026, and details are available through public regulatory filings.

The specific types of personal information that may have been involved in this breach are not detailed in the available public record. An investigation into the full extent of the incident is currently active and ongoing. The company is working to understand what information, if any, was exposed.

Individuals who have been patients or had dealings with Stockton Cardiology Medical Group are advised to remain vigilant. It is important to carefully review any direct notifications or correspondence you might receive from the organization regarding this event.

As a general precaution, it is wise to monitor your financial and personal accounts for any unusual activity. Consider changing passwords for online services, especially if you reused them across multiple platforms. Also, be wary of unexpected emails, texts, or calls that request personal details, as these could be phishing attempts.

This information is derived from public filings made with regulators. As an ongoing investigation, additional details may emerge over time.

Questions about this case file

Where does the Stockton Cardiology Medical Group case file come from?: Every entry is taken from the breach report Stockton Cardiology Medical Group 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

Filing source: California Attorney General

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Timeline

Case facts

Case notes

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