HHS OCR report · 2017
Oklahoma Department of Human Services data breach
OCR report facts
- Covered entity
- Oklahoma Department of Human Services
- Entity type
- Health Plan
- State
- Oklahoma
- Individuals affected
- 47,000
- Submission date
- Dec 5, 2017
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
An unauthorized source accessed a state assessment computer server, located at and maintained by an outside vendor. The server contained state assessment information that included names and social security numbers of 47,000 current and former clients of the covered entity (CE), Oklahoma Department of Human Services. As a result of OCR’s technical assistance, the CE provided breach notification to HHS, affected individuals, and the media and posted substitute notification on its website. Due ...
Text as published on the HHS OCR breach portal.
Other reports by Oklahoma Department of Human Services
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Oklahoma Department of Human Services | OK | Health Plan | 813 | Oct 8, 2018 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the Oklahoma Department of Human Services data breach?
The report to HHS OCR lists 47,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 5, 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: 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 Oklahoma Department of Human 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 Oklahoma Department of Human Services.