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Staff + Springfield Reporters + Community Advisory Board (CAB) + Past CAB + All + Management - Staff + Springfield Reporters + Community Advisory Board (CAB) + Past CAB + All * Donation * Sponsorship * More + About/Contact + Calendar + Careers at NPR Illinois + Community Advisory Board + Diversity Statement - EEO + Financials + Local Content and Service Report + Management - Staff + Newsletters + Visiting NPR Illinois + Even More + About/Contact + Calendar + Careers at NPR Illinois + Community Advisory Board + Diversity Statement - EEO + Financials + Local Content and Service Report + Management - Staff + Newsletters + Visiting NPR Illinois + Even More Illinois Health care data breach affects over 600,000 patients, Illinois agency says Chicago Sun-Times | By Kade Heather Published January 6, 2026 at 12:42 PM CST * Facebook * LinkedIn * Pinterest * Email * Print Illinois Department of Human Services office in Chicago. Anthony Vazquez/Sun-Times Illinois Department of Human Services office in Chicago. The names and addresses of thousands of patients of the Illinois Department of Human Services were incorrectly made publicly viewable for the last several years, the agency said Friday. Several maps created to assist the agency with decisions -- like where to open new offices and allocate certain resources -- were made public through incorrect privacy settings between 2021 and 2025, the Department of Human Services said in a statement. More than 32,000 customers with the IDHS division of rehabilitation services had information publicly viewable between April 2021 and September 2025. The information included names, addresses, case numbers, case status, referral source information, region and office information and status as Division of Rehabilitation Services recipients, the agency said. Around 670,000 Medicaid and Medicare Savings Program recipients had their addresses, case numbers, demographic information and the name of medical assistance plans publicly viewable between January 2022 and September 2025, IDHS said. The state agency said the mapping website was unable to identify who viewed the maps, and IDHS is unaware of any misuse of personal information resulting from the data leak. IDHS discovered the issue Sept. 22 and immediately changed the privacy settings for all maps, restricting access to authorized IDHS employees, the agency said. It also implemented a secure map policy that prohibits uploading customer data to public mapping websites. Individuals whose information was made public will receive a notice about the leak from IDHS. The notices will include a phone number that people can call for more information. Tags Illinois IPRIllinois Department of Human Services (IDHS) * Facebook * LinkedIn * Pinterest * Email * Print Kade Heather See stories by Kade Heather The Latest... 1. Evening events planned at two of Springfield's state historic sites 2. Trump administration freezing $10 billion in social service funding for Illinois, four other blue states 3. A Riverton mother and her daughter killed in a crash on Interstate 55 in Springfield | First Listen 4. Illinois House speaker calls Bears stadium ask 'insensitive' amid budget pressures 5. Peoples Gas files $202 million rate increase request with Illinois regulatory body 6. How the Trump administration is fast-tracking logging in Illinois' only national forest Related Stories * The Trump administration plans to halt federal funding for social services in five blue states, including Illinois. 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