Arizona Asthma and Allergy Institute
Disclosed May 3, 20215 years ago70,372 affectedConfirmed
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.
What is known
| People affected | 70,372 (as reported to HHS) |
|---|---|
| Disclosed | May 3, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Arizona Asthma and Allergy Institute (Healthcare Provider, AZ)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | May 3, 2021 | 70,372 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.