Every public data breach

44 disclosed this week · 26,355 on record

Arizona Dental Insurance Services, Inc. d.b.a. Delta Dental of Arizona

Disclosed Nov 8, 201924,769 affectedConfirmed

Official notice

Arizona Dental Insurance Services dba Delta Dental of Arizona, the covered entity (CE), reported that an employee was the victim of an email phishing scheme that affected the electronic protected health information (ePHI) of approximately 24,769 individuals. The ePHI involved included names, dates of birth, addresses, Social Security numbers, health insurance information, drivers’ license numbers, other identifiers, financial information, and treatment information. The CE notified HHS, affected individuals, the media, and provided complimentary credit and identity theft restoration services. In addition, a toll-free phone number was set up for questions or concerns. In its mitigation efforts, the CE implemented additional administrative and technical safeguards and retrained its staff on the proper methods of identifying fraudulent email communications. OCR provided technical assistance to the CE and obtained assurances that the CE implemented the corrective actions noted.

What is known

People affected24,769 (as reported to HHS)
DisclosedNov 8, 2019
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about Arizona Dental Insurance Services, Inc. d.b.a. Delta Dental of Arizona