Healthcare Provider · Archived
Cook County Health and Hospitals System
1,248,546 individuals · submitted September 24, 2023
About this report
Cook County Health and Hospitals System, the covered entity (CE), reported that its business associate (BA) experienced a ransomware attack that compromised the protected health information (PHI) of 1,248,546 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE terminated its business relationship with the BA.
Summary as published by the HHS Office for Civil Rights.
- Organization
- Cook County Health and Hospitals System
- State
- IL
- Entity type
- Healthcare Provider
- Individuals affected
- 1,248,546
- Submission date
- September 24, 2023
- Breach type
- Hacking/IT Incident
- Location of information
- Network Server
- Business associate present
- Yes
- OCR status
- Archived
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