City of Pittsburg, California data breach
Incident readout
- Company
- City of Pittsburg, California
- Reported to
- California Attorney General
- Filed
- October 2, 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 City of Pittsburg, California is a municipal government entity responsible for providing essential public services to its residents. As a local government body, the city collects and maintains sensitive personal information necessary for administrative, tax, utility, and employment purposes. This data breach was officially reported to the California Attorney General in 2025, confirming that unauthorized access to certain files occurred. If you have received a formal data breach notification letter, it indicates that your personal information was likely contained within the impacted systems. We encourage you to carefully review the letter provided by the city, as it contains critical details regarding the specific nature of the incident and the identity protection services being offered to those affected.
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.