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Mount Sinai Health System

Disclosed Aug 2, 20197 years ago10,996 affectedConfirmed

Official notice

What is known

People affected10,996 (as reported by the organization)
DisclosedAug 2, 2019
DiscoveredJun 3, 2019
HappenedAug 1, 2018
AttackNot stated
Data exposedNames, Payment cards, Financial
SectorHealthcare · US
StatusConfirmed

Sources

Source
Maine Attorney General breach notice archive: Mount Sinai Health Systemmaine.gov · Official notice

Notices filed

WhereFiledPeople
Maine AGresidents of MEAug 2, 20194

Other breaches at Mount Sinai Health System

BreachAffected
Disclosed Sep 13, 2020Sep 13, 20206 years agoHacking88K
History of this record
  • 2026-09-25 · added · backfill source

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

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