Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Hyatt Hotels

Disclosed Jan 14, 2016Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedJan 14, 2016
DiscoveredNov 24, 2015
HappenedAug 13, 2015
AttackHacking
Data exposedNamesPayment cardsFinancialPasswords
SectorHospitality · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Hyatt Hotels
Official noticeatg.wa.gov
Washington Attorney General breach notice: Hyatt Hotels
Official noticein.gov
Indiana Attorney General 2016 data breach report: Hyatt Hotels
Official noticemaine.gov
Maine Attorney General breach notice archive: Hyatt Hotels

Notices filed

Residents of CAJan 14, 2016
California AGCount not stated
Residents of WAJan 14, 2016
Washington AG15 people
Residents of INJan 14, 2016
Indiana AGCount not stated
Residents of MEJan 14, 2016
Maine AGCount not stated

Other breaches at Hyatt Hotels

Hacking breachHacking exposed names, payment cards, financial details and passwords. Reported to the California AG.HospitalityUSSep 23, 2016
History of this record
data_types2026-09-25
[] to ["names","payment-card","financial","passwords"]by backfillSource
source2026-09-25
empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-date-Report-2016.pdfby backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2015-11-24by backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Hyatt Hotels