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Latest / California / October 2019

Marriott International

Marriott International notified California AG on Oct 30, 2019 of a data breach. Data exposed: Social Security number, Postal address, Name.

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

Organization
Marriott International
Source
California AG · source record
Date reported
Oct 30, 2019
Date(s) of breach
n/a
Residents affected
Not published by this source
Data exposed
Social Security number Postal address Name
Notice letter
Sample notice (PDF)
Discovered
Sep 4, 2019, as stated in the letter
"What Happened Marriott learned on September 4, 2019, that an unknown person gained access to information about certain Marriott associates by accessing the network of an outside vendor formerly used by Marriott."
Days to notice
56 days from discovery (Sep 4, 2019) to the California record (Oct 30, 2019). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter
12 months of credit or identity monitoring through Experian
Third party
The letter attributes the incident to a vendor or service provider
First seen by BreachTally
2026-10-30 16:12 UTC

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

First seen by BreachTally at 16:12 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Marriott International

OrganizationSourceStateReportedResidents affectedData exposed
Marriott International, Inc. Oregon DOJ OR Nov 30, 2018 500,000,000 Not stated
Marriott International, Inc. California AG CA Nov 30, 2018 Not published Passport numberFinancial / bank accountDate of birthUsernames / passwords+4

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