Every public data breach

44 disclosed this week · 26,355 on record

21c Museum Hotels

Disclosed Jul 28, 2017Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedJul 28, 2017
HappenedAug 10, 2016
AttackNot stated
Data exposedNamesPayment cardsEmailsPasswordsAddressesNames
SectorOther · US
StatusConfirmed

Sources

Notices filed

Other breaches at 21c Museum Hotels

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 21c Museum Hotels