Sunnyvale Elementary School District data breach
Incident readout
- Company
- Sunnyvale Elementary School District
- Reported to
- California Attorney General
- Filed
- October 22, 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
Sunnyvale Elementary School District is a public educational institution responsible for managing the academic and administrative records of students, faculty, and staff. As a school district, they typically collect and store sensitive personal information, including student identification records, academic performance data, health-related information, and parent or guardian contact details. This data breach was officially reported to the California Attorney General in 2025, confirming that unauthorized access to these systems occurred. If you have received a data breach notification letter, it indicates that your personal information or that of your dependent may have been involved in this incident. We recommend reviewing the letter carefully to understand the specific scope of the exposure and the protective measures being offered by the district.
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.