Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Massachusetts General Hospital

Disclosed Mar 21, 2017Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedMar 21, 2017
HappenedFeb 24, 2017
AttackNot stated
Data exposedNamesSocial Security numbersNames
SectorHealthcare · US
StatusConfirmed

Sources

Official noticemaine.gov
Maine Attorney General breach notice archive: Massachusetts General Hospital

Notices filed

Residents of MEMar 21, 2017
Maine AG1 person

Other breaches at Massachusetts General Hospital

Breach, details not statedBreach notice filed with the Vermont AG, details not stated.HealthcareUSFeb 21, 2024Hacking breachHacking exposed names and health records. Reported to the HHS archive.9,900 affectedHealthcareUSDec 14, 2018Hacking breachHacking exposed names and health records. Reported to the HHS archive.4,293 affectedHealthcareUSJun 29, 2016Insider breachInsider exposed names and health records. Reported to the HHS archive.648 affectedHealthcareUSAug 5, 2014
History of this record
Added2026-09-25
First recordedby backfillSource

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

Everything about Massachusetts General Hospital