HHS OCR report ยท 2024
Wisconsin Department of Health Services data breach
OCR report facts
- Covered entity
- Wisconsin Department of Health Services
- Entity type
- Healthcare Provider
- State
- Wisconsin
- Individuals affected
- 19,150
- Submission date
- Jun 21, 2024
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Wisconsin Department of Health Services, reported that its business associate (BA) experienced a cyberattack that compromised the protected health information (PHI) of 19,150 individuals. The PHI involved included names, dates of birth, social security numbers, diagnoses/conditions, and other treatment information. The CE notified HHS and the media; the BA notified the affected individuals. In its mitigation efforts, the CE provided credit monitoring and established ...
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 | 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 | 1,281 | Jan 15, 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 19,150 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 21, 2024.
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.