Every public data breach

44 disclosed this week · 26,355 on record

University of Maryland, Baltimore

Disclosed Jul 2, 202137,263 affectedConfirmed

Official notice

The business associate (BA), University of Maryland, Baltimore, reported that its vendor experienced a cyber-attack that affected the protected health information (PHI) of approximately 37,263 individuals. The PHI involved included names, dates of birth, addresses, claims information, diagnoses and conditions, lab results, medications prescribed, and other treatment information. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA strengthened its technical safeguards to better protect PHI.

What is known

People affected37,263 (as reported to HHS)
DisclosedJul 2, 2021
AttackHacking
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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