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Harbor Health Services

Disclosed Apr 9, 20215 years ago901 affectedConfirmed

Official notice

The covered entity (CE), Harbor Health Services, reported that its business associate (BA) was the subject of a ransomware attack that affected the protected health information (PHI) of 901 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, claims information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE and BA implemented additional administrative, technical, and security safeguards to better protect sensitive data.

What is known

People affected901 (as reported to HHS)
DisclosedApr 9, 2021
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Harbor Health Services (Healthcare Provider, MA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalApr 9, 2021901

Other breaches at Harbor Health Services

BreachAffected
Disclosed Aug 9, 2019Aug 9, 20197 years agoHacking17K
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.

Everything about Harbor Health Services

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