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Yale University

Disclosed Nov 11, 20223 years ago9,051 affectedConfirmed

Official notice

The covered entity (CE), Yale University, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 9,051 individuals. The PHI involved included names, Social Security numbers, addresses, drivers’ license numbers, dates of birth, financial and claims information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE offered free credit monitoring to affected individuals and implemented additional administrative, technical, and security safeguards. Staff were also retrained in its requirements to protect and secure PHI.

What is known

People affected9,051 (as reported to HHS)
DisclosedNov 11, 2022
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Yale University (Healthcare Provider, CT)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalNov 11, 20229,051

Other breaches at Yale University

BreachAffected
Disclosed Jul 26, 2018Jul 26, 20188 years agoHacking119K
Disclosed Aug 18, 2010Aug 18, 201016 years agoLost or stolen device1,000
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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