HHS OCR report ยท 2023
Morgan Stanley data breach
OCR report facts
- Covered entity
- Morgan Stanley
- Entity type
- Health Plan
- State
- New York
- Individuals affected
- 535
- Submission date
- Apr 18, 2023
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Morgan Stanley, reported that an employee of its vendor inadvertently mailed the protected health information (PHI) of 535 individuals to the wrong addresses. The PHI involved included names, dates of births, addresses, Social Security numbers, diagnoses, lab results, medications, and other treatment information. The CE notified HHS and the affected individuals. In response to the breach, the CE implemented additional administrative, technical, and security safeguards...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Morgan Stanley data breach?
The report to HHS OCR lists 535 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 18, 2023.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, 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 Morgan Stanley 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 Morgan Stanley.