HHS OCR report · 2024
May Institute data breach
OCR report facts
- Covered entity
- May Institute
- Entity type
- Healthcare Provider
- State
- Massachusetts
- Individuals affected
- 2,612
- Submission date
- Feb 12, 2024
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), May Institute, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 2,612 individuals. The PHI affected included names, social security numbers, addresses, drivers’ license numbers, dates of birth, medications, diagnoses, and other treatment information. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring and identity theft protectio...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the May Institute data breach?
The report to HHS OCR lists 2,612 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 12, 2024.
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 May Institute 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 May Institute.