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Partners HealthCare System

Disclosed May 1, 201511 years ago3,321 affectedConfirmed

Official notice

Fifty employees providing unauthorized access to their email accounts as a result of a phishing email sent to 392 employees of Partners HealthCare, the covered entity (CE). Those email accounts contained the protected health information (PHI) of 3,321 individuals and included names, addresses, dates of birth, social security numbers, diagnoses, medications, and other treatment information. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE strengthened password requirements, implemented two-factor authentication, and conducted additional training and awareness sessions regarding phishing campaigns. OCR obtained assurances that the CE implemented the corrective actions listed above.

What is known

People affected3,321 (as reported to HHS)
DisclosedMay 1, 2015
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalMay 1, 20153,321

Other breaches at Partners HealthCare System

BreachAffected
Disclosed Feb 5, 2018Feb 5, 20188 years agoHacking2,450
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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