The DuPage County Sheriff's Office data breach
Incident readout
- Company
- The DuPage County Sheriff's Office
- Reported to
- Indiana Attorney General
- Filed
- November 4, 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 DuPage County Sheriff's Office is a government law enforcement agency responsible for public safety, correctional facility management, and judicial support services. In the course of these operations, the agency typically collects and stores sensitive personal information, including criminal records, booking data, biometric identifiers, and government-issued identification details for individuals within their jurisdiction. This data breach was officially reported to the Indiana Attorney General in 2025, and affected individuals have since been contacted via a formal data breach notification letter. If you have received this correspondence, it indicates that your personal information held within the Sheriff's Office systems may have been compromised, and you should review the provided instructions carefully to understand the specific risks to your data.
See every breach reported in Indiana or read what to do after a ransomware attack.
Other breaches reported in Indiana
- Bozeman School DistrictIndiana Attorney General · Filed date pendingCount not stated
- Bozeman School DistrictIN Attorney General · Filed date pendingCount not stated
- Teamsters Local 17Indiana Attorney General · Filed date pendingCount not stated
- Teamsters Local 17IN Attorney General · Filed date pendingCount not stated
- BankIndiana Attorney General · Filed date pendingCount not stated
- BankIN Attorney General · Filed date pendingCount not stated
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