- State
- IL
- Covered entity type
- Health Plan
- Individuals affected
- 2,944
- Business associate present
- No
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Other
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Health Care Service Corporation, reported that it experienced a hacking incident that compromised the protected health information (PHI) of 2,944 individuals. The CE provided breach notification to the affected individuals, the media, the HHS Secretary, and posted substitute breach notice on its websites. In response to the breach, the CE implemented a variety of new safeguards on member account registration, and a series of technical improvements to detect and block suspicious activity in the member portal.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.