Illinois Department of Human Services
ent_aeaa76a86ccc546b3c36862d
Disclosures
7
State AG · HHS OCR · 1 jurisdiction
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
705,017
nationwide · HHS OCR IL
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Illinois Department of Human Services
- Normalized
- illinois department of human— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (7)newest first
- Illinois State AGas victim2026-04-01
ILLINOIS DEPARTMENT OF HUMAN SERVICES filed a data-breach notice with the Illinois Attorney General in April 2026 (case 26-04-1114). The register records the breach as discovered on February 2, 2026. Personal information types reported: medical information, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.
- ILLINOISHHS OCRas victim2026-01-09
Illinois Department of Human Services reported to HHS on 2026-01-09 a Unauthorized Access/Disclosure affecting 705,017 individuals. Breached information located on Network Server. Misconfigured privacy settings on its Internet platform exposed protected health information (PHI) including demographic information.
- Illinois State AGas victim2026-01-01
ILLINOIS DEPARTMENT OF HUMAN SERVICES filed a data-breach notice with the Illinois Attorney General in January 2026 (case 26-01-717). The register records the breach as discovered on September 22, 2025. Personal information types reported: medical information. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.
- ILLINOISHHS OCRas victim2023-05-12
Illinois Department of Healthcare and Family Services reported to HHS on 2023-05-12 a Hacking/IT Incident affecting 50,839 individuals. Breached information located on Network Server. The incident compromised PHI including names, addresses, DOB, SSN, and phone numbers. The entity notified HHS, individuals, and media, and strengthened administrative, technical, and security safeguards.
- ILLINOISHHS OCRas victim2022-10-21
Illinois Department of Healthcare and Family Services reported to HHS on 2022-10-21 an Unauthorized Access/Disclosure affecting 480,435 individuals. An employee coding error made PHI viewable via the Internet. Breached information located on Network Server.
- ILLINOISHHS OCRas victim2021-09-20
Illinois Department of Healthcare and Family Services (IL) reported to HHS on 2021-09-20 a Hacking/IT Incident affecting 1,960 individuals. Previous household members retained access to CE accounts after access should have been terminated, and viewed PHI of former household members. PHI involved included names, addresses, birthdates, Social Security numbers, financial information, and diagnoses. Breached information located on Network Server. The CE implemented additional administrative, technical, and security safeguards in response.
- Illinois State AGas victim2020-01-01
IL DEPARTMENT OF HUMAN SERVICES filed a data-breach notice with the Illinois Attorney General during 2020 (case 20-320). The register records the breach as discovered on July 9, 2020. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.