Hyatt Hotels

Disclosed Jan 14, 201610 years agoConfirmed

Official notice

What is known

People affected	Not stated in the sources we have
Disclosed	Jan 14, 2016
Discovered	Nov 24, 2015
Happened	Aug 13, 2015
Attack	Hacking
Data exposed	Names, Payment cards, Financial, Passwords
Sector	Hospitality · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: Hyatt Hotelsoag.ca.gov · Official notice	Official notice
Washington Attorney General breach notice: Hyatt Hotelsatg.wa.gov · Official notice	Official notice
Indiana Attorney General 2016 data breach report: Hyatt Hotelsin.gov · Official notice	Official notice
Maine Attorney General breach notice archive: Hyatt Hotelsmaine.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Jan 14, 2016
Washington AGresidents of WA	Jan 14, 2016	15
Indiana AGresidents of IN	Jan 14, 2016
Maine AGresidents of ME	Jan 14, 2016

Other breaches at Hyatt Hotels

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Sep 23, 2016Sep 23, 201610 years agoHacking	Sep 23, 201610 years ago	Hacking	Hospitality	Confirmed	Unknown

History of this record

2026-09-25 · data_types: [] to ["names","payment-card","financial","passwords"] · backfill source
2026-09-25 · source: empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-date-Report-2016.pdf · backfill source
2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · discovered: empty to 2015-11-24 · backfill source
2026-09-25 · added · backfill source

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

Everything about Hyatt Hotels

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