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Professional Dental Alliance of Massachusetts

Disclosed Oct 1, 20214 years ago607 affectedConfirmed

Official notice

The covered entity (CE), Professional Dental Alliance of Massachusetts, 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 607 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 affected607 (as reported to HHS)
DisclosedOct 1, 2021
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalOct 1, 2021607
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.

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