Blue Cross Blue Shield of Illinois reported that unauthorized access to or disclosure of physical paper records was discovered on or around June 8, 2026. The incident was reported to the U.S. Department of Health and Human Services in August 2026, with the report dated August 20, 2026. Blue Cross Blue Shield of Illinois is a health plan operated by Health Care Service Corporation.
Approximately 3,831 individuals were affected. The reported information included driver's license numbers, financial account numbers, and medical information. The available report does not identify Social Security numbers, the specific medical information involved, or a consumer notification date. Class Action U stated that it was investigating potential legal claims, while no named plaintiff or filed lawsuit is identified in the available sources.
Further details about the records involved, affected individuals, and notification process may be disclosed as regulatory reporting and breach notices develop.