Health care data breach affects 600,000 patients, Illinois agency says
Chicago Sun-Times••nation
Key Points:
- The Illinois Department of Human Services (IDHS) disclosed that thousands of patient names and addresses were publicly accessible due to incorrect privacy settings on several maps from 2021 to 2025.
- Over 32,000 Division of Rehabilitation Services customers had detailed personal information exposed, including names, addresses, case numbers, and referral sources, between April 2021 and September 2025.
- Approximately 670,000 Medicaid and Medicare Savings Program recipients had their addresses, case numbers, demographic data, and medical assistance plan names publicly viewable from January 2022 to September 2025.
- IDHS stated it cannot determine who accessed the maps and is unaware of any misuse of the leaked information; the issue was discovered on
