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Orange County Radiation Oncology Medical Group

ArchivedSubmitted 06/27/2025

Updated 19 hours ago ()

State
CA
Covered entity type
Healthcare Provider
Individuals affected
1,911
Business associate present
Yes
Type of breach
Hacking/IT Incident
Location of breached information
Email
First seen by InfoSec Signals
Sep 23, 2026
Last seen in OCR export
Oct 25, 2026

OCR description

Orange County Radiation Oncology Medical Group, the covered entity (CE) reported that employees of its business associate (BA) were the targets of an email phishing scheme that impacted the protected health information (PHI) of 1,911 individuals. The PHI involved demographic and treatment information. The BA notified HHS, affected individuals, and the media on behalf of the CE. OCR provided technical assistance regarding the HIPAA Rules. In its mitigation efforts, the CE and BA implemented additional administrative, technical, and security safeguards to better protect sensitive data.

Change history

  • Sep 23, 2026Added to OCR's archive list

Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source

Records are reproduced as published; entity names and figures are OCR's.

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