Healthcare Provider · Archived
City of Hope
902,540 individuals · submitted December 12, 2023
About this report
The covered entity (CE), City of Hope, reported that it experienced a cyber-attack that affected the protected health information (PHI) of 902,540 individuals. The PHI involved included names, dates of birth, Social Security and drivers’ license numbers, financial and health insurance information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards.
Summary as published by the HHS Office for Civil Rights.
- Organization
- City of Hope
- State
- CA
- Entity type
- Healthcare Provider
- Individuals affected
- 902,540
- Submission date
- December 12, 2023
- Breach type
- Hacking/IT Incident
- Location of information
- Network Server
- Business associate present
- No
- OCR status
- Archived
More breach reports in CA
CA · Oct 9, 2026
Allswell Health Medical Group PA
638 individuals
CA · Oct 6, 2026
Nabi Health, Inc.
783 individuals
CA · Oct 3, 2026
iRhythm Technologies, Inc.
8,179,772 individuals
CA · Sep 14, 2026
Paradigm Healthcare Services
970,403 individuals
CA · Sep 10, 2026
Alma Family Services
2,753 individuals
CA · Sep 8, 2026
L.A. Care Health Plan
4,553 individuals
More Hacking/IT Incident reports
NY · Oct 9, 2026
Photon Health
30,625 individuals
WA · Oct 8, 2026
Anup K. Deol, OD PS d/b/a Eye Care Center of Snohomish
3,059 individuals
NY · Oct 8, 2026
Cognitive Health Technologies LLC
49,467 individuals
GA · Oct 7, 2026
The Speech Clinic, LLC
2,168 individuals
PA · Oct 6, 2026
Secure Healthcare Information Management, LLC
6,810 individuals
PA · Oct 5, 2026
Franklin/Fulton Mental Health/Intellectual & Developmental Disabilities/Early Intervention
640 individuals