Every public data breach

44 disclosed this week · 26,355 on record

Professional Dental Alliance

Disclosed Oct 1, 202147,173 affectedConfirmed

Official notice

The covered entity (CE), Professional Dental Alliance, reported that employees of its business associate (BA) were the victims of an email phishing attack that compromised the protected health information (PHI) of approximately 47,173 individuals. The PHI involved included names, dates of birth, Social Security numbers, and claims and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. A call center was established for questions or concerns. In response to the breach, the BA strengthened its administrative, technical, and security safeguards and retrained it staff on email security.

What is known

People affected47,173 (as reported to HHS)
DisclosedOct 1, 2021
AttackInsider
Data exposedNamesHealth
SectorHealthcare · 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.

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