Walworth County Department of Health and Human Services
Disclosed Mar 12, 20215 years ago907 affectedConfirmed
The covered entity (CE), Walworth County Department of Health and Human Services, reported that several employees inadvertently sent the electronic protected health information (ePHI) of 907 individuals to unauthorized parties. The ePHI involved included email addresses and vaccination information. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE retrained employees on the proper methods of protecting ePHI. OCR obtained assurances that the CE implemented the corrective actions noted.
What is known
| People affected | 907 (as reported to HHS) |
|---|---|
| Disclosed | Mar 12, 2021 |
| Attack | Insider |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Walworth County Department of Health and Human Services (Healthcare Provider, WI)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Mar 12, 2021 | 907 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.
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