HHS OCR report ยท 2020
Torrance Memorial Medical Center data breach
OCR report facts
- Covered entity
- Torrance Memorial Medical Center
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 3,498
- Submission date
- Mar 6, 2020
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Torrance Memorial Medical Center, the covered entity (CE), reported that its business associate (BA) was the victim of a cyber-attack that affected the electronic protected health information (ePHI) of 3,448 individuals. The ePHI involved included clinical information, diagnoses/conditions, and other treatment information. The BA retrained its staff and implemented additional technical safeguards.
Text as published on the HHS OCR breach portal.
Other reports by Torrance Memorial Medical Center
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Torrance Memorial Medical Center | CA | Healthcare Provider | 46,632 | Jun 19, 2017 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the Torrance Memorial Medical Center data breach?
The report to HHS OCR lists 3,498 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 6, 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: 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 Torrance Memorial Medical Center 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 Torrance Memorial Medical Center.