MedStar Health

Disclosed Dec 3, 20259 months ago64,332 affectedConfirmed

What is known

Source	Kind
HHS OCR breach report: MedStar Health (Healthcare Provider, MD)ocrportal.hhs.gov · Official notice	Official notice

Where	Filed	People
HHS OCRtotal	Dec 3, 2025	64,332

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed May 3, 2024May 3, 20242 years agoHacking	May 3, 20242 years ago	Hacking	Healthcare	Confirmed	183K
Disclosed Sep 25, 2020Sep 25, 20206 years agoHacking	Sep 25, 20206 years ago	Hacking	Healthcare	Confirmed	668

History of this record

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