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Illinois Department of Human Services Data Exposure Affects 700K Residents

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1 unique sources, 1 articles

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The Illinois Department of Human Services (IDHS) exposed personal and health data of nearly 700,000 residents due to misconfigured privacy settings on a mapping website. The breach, discovered on September 22, 2025, involved maps intended for internal use that were publicly accessible for years. Two groups were affected: 672,616 Medicaid and Medicare Savings Program recipients had their addresses and demographic details exposed from January 2022 to September 2025, while 32,401 Division of Rehabilitation Services customers had their names and case details exposed from April 2021 to September 2025. The IDHS has since restricted access and notified affected individuals.

Timeline

  1. 09.01.2026 17:37 1 articles · 23h ago

    IDHS Data Exposure Affects 700K Residents Due to Misconfigured Privacy Settings

    On September 22, 2025, the Illinois Department of Human Services discovered that maps containing sensitive personal and health data were publicly accessible due to incorrect privacy settings. The breach affected nearly 700,000 residents, with data exposed for varying periods from April 2021 to September 2025. The IDHS has since restricted access and notified affected individuals.

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