HHS OCR report ยท 2020
Arnot Health data breach
OCR report facts
- Covered entity
- Arnot Health
- Entity type
- Healthcare Provider
- State
- New York
- Individuals affected
- 1,164
- Submission date
- Aug 18, 2020
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Email, Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Arnot Health, reported that its business associate (BA) experienced a ransomware attack that compromised the protected health information (PHI) of 1,164 individuals. The PHI involved included names, addresses, diagnoses, claims information, and medication information. The CE notified HHS and the BA notified affected individuals and the media.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Arnot Health data breach?
The report to HHS OCR lists 1,164 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 18, 2020.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email, 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 Arnot 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 Arnot Health.