> Cause not stated in filing
VILLAGE OF MUNDELEIN data breach investigation
- Filed
- October 17, 2025
- Regulator
- Illinois AG
- People affected
- Not stated
- File status
- Investigation Open
What the filing confirms
- VILLAGE OF MUNDELEIN reported the incident to the Illinois Attorney General.
Still unknown
- Which categories of personal information were taken. The filing does not list them.
- How many people were affected. The filing does not give a number.
- What caused the incident beyond the description in the filing.
- How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.
Investigation notes
The Village of Mundelein is a municipal government entity serving the residents of Mundelein, Illinois, and is responsible for managing essential public services and local administrative records. As a government body, the Village typically collects and maintains sensitive personal information from residents, employees, and contractors, including identity verification documents, payroll data, and utility account information. In 2025, the Village of Mundelein officially reported a data security incident to the Illinois Attorney General. If you have received a formal data breach notification letter from the Village, it indicates that your personal information was potentially compromised during this event. This notification serves to inform you of the nature of the incident and the specific steps the Village is taking to address the situation and protect your identity.
What our attorneys examine
A cyberattack does not excuse a company from protecting the information it holds. We look at whether VILLAGE OF MUNDELEIN used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in Illinois.
Other open files in Illinois
- The University Of Illinois College Of Medicine - ChicagoIllinois Attorney General · Filed July 14, 2026Count not stated
- Abbott Cancer Diagnostics (Formerly Known As Exact Sciences)Illinois Attorney General · Filed July 8, 2026Count not stated
- Aspire Rural Health SystemIllinois Attorney General · Filed July 7, 2026Count not stated
- EVERSANA LIFE SCIENCES SERVICESIL Attorney General · Filed June 30, 2026Count not stated
- EVERSANA LIFE SCIENCES SERVICESIllinois Attorney General · Filed June 30, 2026Count not stated
- EduPath Learning PlatformIllinois Attorney General · Filed June 25, 202678,000 affected
Attorney advertising. An incident file reflects a public regulator filing and our review of it; 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.