HHS OCR report · 2018
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
- 813
- Submission date
- Oct 8, 2018
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Paper/Films
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Oklahoma Department of Human Services, reported that it inadvertently issued client notice letters with a second, unrelated client’s name and address due to a software change, affecting 813 individuals. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE developed and deployed a solution that stopped incorrect information from being added to the notice letters provided to clients. OCR obtained assurances that t...
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 | 47,000 | Dec 5, 2017 | 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 813 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 8, 2018.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Paper/Films.
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.