HHS OCR report ยท 2023
Illinois Department of Public Health data breach
OCR report facts
- Covered entity
- Illinois Department of Public Health
- Entity type
- Healthcare Provider
- State
- Illinois
- Individuals affected
- 126,000
- Submission date
- Aug 18, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Sutter Health, reported that its business associate (BA) experienced a malware attack that affected the protected health information (PHI) of 845,441 individuals. The PHI involved included names, addresses, dates of birth, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and the CE and BA implemented addit...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Illinois Department of Public Health data breach?
The report to HHS OCR lists 126,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 18, 2023.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Illinois Department of Public Health legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Illinois Department of Public Health.