County of Stanislaus data breach
Incident readout
- Company
- County of Stanislaus
- Reported to
- California Attorney General
- Filed
- October 1, 2025
- People affected
- Not stated in the filing
- Incident type in filing
- Not stated
- Our review
- Investigation Open
Was this a ransomware attack?
The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.
What we know
The County of Stanislaus is a local government entity responsible for providing essential public services, including social services, public health, and law enforcement. As a government body, the County maintains extensive records containing sensitive personal information, such as Social Security numbers, financial records, and medical data, for its residents and employees. In 2025, the County of Stanislaus officially reported a data breach to the California Attorney General, indicating that unauthorized parties may have accessed this sensitive information. If you received a data breach notification letter from the County, it means your personal data was likely involved in this incident. This notification is intended to inform you of the nature of the exposure and the steps you should take to protect your identity and financial security.
See every breach reported in California or read what to do after a ransomware attack.
Other breaches reported in California
- ZZ Diag ProbeCalifornia Attorney General · Filed date pendingCount not stated
- STS Aviation GroupCalifornia Attorney General · Filed October 19, 2026Count not stated
- Citizens BankCalifornia Attorney General · Filed October 19, 2026Count not stated
- John G. Yphantides, a Professional Law CorporationCA Attorney General · Filed October 16, 2026Count not stated
- Neuro Wellness SpaCalifornia Attorney General · Filed October 16, 2026Count not stated
- Frazer LLPCalifornia Attorney General · Filed October 16, 2026Count not stated
Attorney advertising. This page reflects a public regulator filing; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.