Every public data breach

47 disclosed this week · 26,367 on record

MedStar Health

Disclosed Dec 3, 202564,332 affectedConfirmed

Official notice

What is known

People affected64,332 (as reported to HHS)
DisclosedDec 3, 2025
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at MedStar Health

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS OCR), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about MedStar Health