ILLINOIS DEPARTMENT OF EMPLOYMENT SECURITY data breach
Incident readout
- Company
- ILLINOIS DEPARTMENT OF EMPLOYMENT SECURITY
- Reported to
- Illinois Attorney General
- Filed
- August 27, 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 Illinois Department of Employment Security (IDES) is a government agency responsible for administering the state's unemployment insurance program and employment services. Because of its function, the agency maintains sensitive records for millions of residents, typically collecting Social Security numbers, full names, home addresses, dates of birth, and detailed wage and employment history. In 2025, the agency officially reported a data breach to the Illinois Attorney General, confirming that unauthorized access to its systems occurred. If you received a data breach notification letter from IDES, it indicates that your personal information was potentially compromised during this incident. This notice is intended to inform you of the nature of the exposure so that you can take necessary steps to protect your identity and financial security.
See every breach reported in Illinois or read what to do after a ransomware attack.
Other breaches reported 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. 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.