Hyatt Hotels Corporation

Hyatt Hotels Corporation notified California AG on Jan 14, 2016 of a data breach, which occurred on Aug 13, 2015. Data exposed: Social Security number, Driver's license / state ID, Financial / bank account, Date of birth, Usernames / passwords, Email address, Military ID, Phone number, Postal address, Name.

All 3 filings by Hyatt Hotels Corporation, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Hyatt Hotels Corporation
Source: California AG · source record
Date reported: Jan 14, 2016
Date(s) of breach: Thursday, August 13, 2015
Residents affected: Not published by this source
Data exposed: Social Security number Driver's license / state ID Financial / bank account Date of birth Usernames / passwords Email address Military ID Phone number Postal address Name
Notice letter: Sample notice (PDF)
Days to notice: 154 days from the end of the breach window (Aug 13, 2015, no discovery date in the letter) to the California record (Jan 14, 2016). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
First seen by BreachTally: 2026-10-30 16:21 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

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Other filings by Hyatt Hotels Corporation

Organization	Source	State	Reported	Residents affected	Data exposed
Hyatt Hotels Corporation	Oregon DOJ	OR	Oct 12, 2017	24,599	Not stated
Hyatt Hotels Corporation	California AG	CA	Oct 12, 2017	Not published	Financial / bank accountName

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.