Illinois Department of Human Services
Disclosed Jan 9, 20268 months ago705,017 affectedConfirmed
Illinois DHS map settings expose data of 704,017 residents
IDHS said internal resource-planning maps were publicly viewable due to incorrect privacy settings, exposing details of 672,616 Medicaid and Medicare Savings Program recipients and 32,401 rehabilitation services customers. Access was restricted in September 2025.
What is known
| People affected | 705,017 (as reported to HHS) |
|---|---|
| Disclosed | Jan 9, 2026 |
| Discovered | Sep 22, 2025 |
| Attack | Exposed data |
| Data exposed | Names, Addresses, Health, Other |
| Sector | Government · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Notice to the media from Illinois Department of Human Servicesidhs.prezly.com · Official notice | Official notice |
| Illinois Department of Human Services data breach affects 700K peoplebleepingcomputer.com · News | News |
| HHS OCR breach report (archive, resolved): Illinois Department of Human Services (Health Plan, IL)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Jan 9 | 704,017 |
| HHS archivetotal | Jan 9 | 705,017 |