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Illinois DHS Data Breach Affects Over 705,000 Individuals

First seen 4 Feb 2026, 22:55 UTC • Claimdepot

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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 DDoS attack claimed by the group Red Wolf Cyber, leading to service downtime and exposure of sensitive information.

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Illinois Health Care Data Breach Exposes 600,000 Patients' Information Illinois DHS Data Breach Affects 700,000 Residents Illinois DHS Enhances Security After Data Incident Involving Internal Maps

Illinois DHS Data Breach Affects Over 705,000 Individuals

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