Illinois · State rollup
Healthcare data breaches in Illinois, 2026.
20 HHS OCR-reported healthcare data breaches affecting 3.2M Illinois residents. 2 attributed to ransomware groups. Each entry below names the provider, the data exposed, and the steps to take if you received a notification letter.
Date Type Organization Affected
Phishing Option Care Health, Inc. 1,891 Phishing Option Care Health, Inc. 2,086 Ransomware Southern Illinois Dermatology 160,312 Phishing Saint Anthony Hospital 146,108 Hacking Continental Casualty Company 6,086 Hacking TriCity Family Services 2,511 Hacking Keystone Alliance, Inc. 1,021 Ransomware Veradigm LLC 2.7M Hacking Saint Anthony Hospital 6,679 Hacking Alera Group, Inc. 155,567 Hacking Naper Grove Vision Care 501 Unauthorized access Blue Cross Blue Shield of Texas 593 Unauthorized access Allied Services Division Welfare Fund 5,727 Hacking Family Christian Health Center 12,500 Unauthorized access Blue Cross and Blue Shield of Illinois 6,903 Unauthorized access Blue Cross and Blue Shield of Oklahoma 1,020 Unauthorized access Blue Cross and Blue Shield of Texas 12,086 Unauthorized access Health Care Service Corporation 2,944 Hacking Loretto Hospital 501 Hacking Benefits Management Group, Inc. 501