HHS OCR report ยท 2022
Walworth County, Wisconsin data breach
OCR report facts
- Covered entity
- Walworth County, Wisconsin
- Entity type
- Healthcare Provider
- State
- Wisconsin
- Individuals affected
- 1,212
- Submission date
- Jan 18, 2022
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Walworth County, Wisconsin, reported that several employees were the victims of an email phishing attack that compromised the protected health information (PHI) of 1,212 individuals. The PHI involved included names, dates of birth, addresses and diagnoses. The CE notified HHS and the affected individuals. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI. Staff were retrained on email ...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Walworth County, Wisconsin data breach?
The report to HHS OCR lists 1,212 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jan 18, 2022.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
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 Walworth County, Wisconsin 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 Walworth County, Wisconsin.