HHS OCR report ยท 2021
Wisconsin Department of Health Services data breach
OCR report facts
- Covered entity
- Wisconsin Department of Health Services
- Entity type
- Health Plan
- State
- Wisconsin
- Individuals affected
- 1,281
- Submission date
- Jan 15, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
Wisconsin Department of Health Services, the covered entity (CE), reported that its business associate (BA) experienced a social engineering attack that compromised the protected health information (PHI) of 1,281 individuals. The PHI involved included names and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE provided complimentary credit monitoring services and the CE and BA implemented additional ...
Text as published on the HHS OCR breach portal.
Other reports by Wisconsin Department of Health Services
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Wisconsin Department of Health Services | WI | Health Plan | 8,157 | Jul 1, 2026 | Unauthorized Access/Disclosure | Archive (closed) |
| Wisconsin Department of Health Services | WI | Healthcare Provider | 19,150 | Jun 21, 2024 | Hacking/IT Incident | Archive (closed) |
| Wisconsin Department of Health Services | WI | Health Plan | 12,358 | Oct 7, 2022 | Unauthorized Access/Disclosure | Archive (closed) |
| Wisconsin Department of Health Services | WI | Health Plan | 1,698 | Jul 8, 2022 | Hacking/IT Incident | Archive (closed) |
| Wisconsin Department of Health Services | WI | Health Plan | 2,868 | Jun 4, 2021 | Hacking/IT Incident | Archive (closed) |
| Wisconsin Department of Health Services | WI | Health Plan | 779 | Apr 3, 2018 | Theft | Archive (closed) |
Frequently asked questions
How many people were affected by the Wisconsin Department of Health Services data breach?
The report to HHS OCR lists 1,281 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jan 15, 2021.
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 Wisconsin Department of Health Services 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 Wisconsin Department of Health Services.