- State
- AZ
- Covered entity type
- Healthcare Provider
- Individuals affected
- 70,372
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Arizona Asthma and Allergy Institute, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 70,372 individuals. The PHI involved included names, patient identification numbers, health insurance and claims information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI. OCR provided the CE with technical assistance regarding its obligations under the HIPAA Privacy and Security Rules.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.