HHS OCR report · 2017
City of Hope data breach
City of Hope, a healthcare provider in California, reported a breach affecting 3,400 individuals to HHS OCR on Aug 3, 2017.
OCR report facts
- Covered entity
- City of Hope
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 3,400
- Submission date
- Aug 3, 2017
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
City of Hope, the covered entity (CE), reported that a workforce member was a victim of an email phishing scheme. This breach affected 3,400 individuals. The protected health information (PHI) involved in the breach included names, addresses, dates of birth, social security numbers, diagnosis, lab results, medications, and other treatment information. Following the breach, the covered entity disabled remote access to its virtual private network, including email. Additionally, OCR’s investigat...
Text as published on the HHS OCR breach portal.
Other reports by City of Hope
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| City of Hope | CA | Healthcare Provider | 902,540 | Dec 12, 2023 | Hacking/IT Incident | Archive (closed) |
| City of Hope | CA | Healthcare Provider | 1,024 | Mar 4, 2016 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the City of Hope data breach?
The report to HHS OCR lists 3,400 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 3, 2017.
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.
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 City of Hope 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 City of Hope.