Illinois Department Of Human Services is a organization tracked across 4 threat clusters and 7 intelligence report mentions on ThreatCluster. First observed January 3, 2026; most recent activity February 4, 2026.
The Illinois Department of Human Services experienced a data breach affecting 705,017 individuals. The breach, which occurred between April 2023 and September 2025, was discovered on September 22, 2025, and involved a…
The Illinois Department of Human Services reported a data breach affecting 600,000 patients. Names and addresses were made publicly viewable due to incorrect privacy settings from 2021 to 2025. The agency stated that…
The Illinois Department of Human Services has reported a data breach affecting approximately 700,000 residents. The breach exposed personal and program-related data for over 672,000 Medicaid and Medicare Savings Program…
The Illinois Department of Human Services reported a data security incident where internal planning maps were mistakenly made public due to incorrect privacy settings. The maps contained sensitive information related to…