Illinois health department exposed over 700,000 residents’ personal data for years


The health department for the U.S. state of Illinois has confirmed that a years-long security lapse exposed the personal information of more than 700,000 state residents.

The Illinois Department of Human Services (IDHS) said in a statement on January 2 that an internal mapping website containing residents’ personal information, which officials used for assisting with the allocation of state resources, was inadvertently publicly viewable as far back as April 2021 through September 2025, when the security lapse was discovered. Officials said the exposed data included personal information on 672,616 individuals who are Medicaid and Medicare Savings Program recipients. The data included their addresses, case numbers, and demographic data — but not individuals’ names.

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Source: TechCrunch News


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