HHS OCR report ยท 2018
Missouri Department of Mental Health data breach
OCR report facts
- Covered entity
- Missouri Department of Mental Health
- Entity type
- Healthcare Provider
- State
- Missouri
- Individuals affected
- 9,000
- Submission date
- Oct 24, 2018
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Other
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The Missouri Department of Mental Health, the covered entity (CE), discovered that a former private contractor of its business associate (BA), had placed private client data in an unsecured cloud storage portal. The breach lasted from March 17, 2018, through August 31, 2018, and affected approximately 9,000 individuals. The CE notified all affected individuals, the media, and OCR. The CE mitigated the effects of the breach by confirming that the data had been removed from the cloud storage ...
Text as published on the HHS OCR breach portal.
Other reports by Missouri Department of Mental Health
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Missouri Department of Mental Health | MO | Healthcare Provider | 537 | Nov 8, 2024 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the Missouri Department of Mental Health data breach?
The report to HHS OCR lists 9,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 24, 2018.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Other.
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 Missouri Department of Mental Health 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 Missouri Department of Mental Health.