HHS OCR report · 2019
ZOLL Services LLC data breach
OCR report facts
- Covered entity
- ZOLL Services LLC
- Entity type
- Healthcare Provider
- State
- Pennsylvania
- Individuals affected
- 277,319
- Submission date
- Mar 18, 2019
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
Sonian, a subcontractor of the covered entity’s (CE) business associate (BA), Apptix, left a computer server port open during a data migration, causing a breach of 277,319 individuals’ protected health information. The types of PHI involved included names, addresses, dates of birth, medical information, and in some instances, social security numbers. The CE provided breach notification to HHS, affected individuals, and the media. It also reported the incident to law enforcement. Following...
Text as published on the HHS OCR breach portal.
Other reports by ZOLL Services LLC
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| ZOLL Services LLC | MA | Healthcare Provider | 997,097 | Mar 10, 2023 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the ZOLL Services LLC data breach?
The report to HHS OCR lists 277,319 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 18, 2019.
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 ZOLL Services LLC 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 ZOLL Services LLC.