Every public data breach

44 disclosed this week · 26,355 on record

Columbia University Irving Medical Center

Disclosed May 6, 202429,629 affectedConfirmed

Official notice

The covered entity (CE), Columbia University Irving Medical Center, reported that an employee posted the protected health information (PHI) of 29,629 individuals on the Internet. The PHI involved included names, dates of birth, and a single laboratory test result. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE secured the data and provided staff additional training in its requirements to protect and secure PHI.

What is known

People affected29,629 (as reported to HHS)
DisclosedMay 6, 2024
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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