HHS OCR report ยท 2017
The Medical College of Wisconsin, Inc. data breach
OCR report facts
- Covered entity
- The Medical College of Wisconsin, Inc.
- Entity type
- Healthcare Provider
- State
- Wisconsin
- Individuals affected
- 9,500
- Submission date
- Nov 17, 2017
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The Medical College of Wisconsin, the covered entity (CE), reported that several employees were the victims of an email phishing attack. The email accounts contained the protected health information (PHI) of 9,500 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, medical record numbers, health insurance information, financial information, and treatment information. The CE notified HHS, affected individuals, and the media. As a result of the b...
Text as published on the HHS OCR breach portal.
Other reports by The Medical College of Wisconsin, Inc.
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| The Medical College of Wisconsin, Inc. | WI | Healthcare Provider | 5,655 | Oct 11, 2020 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the The Medical College of Wisconsin, Inc. data breach?
The report to HHS OCR lists 9,500 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Nov 17, 2017.
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 The Medical College of Wisconsin, Inc. 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 The Medical College of Wisconsin, Inc..