BreachCensus

Marriott International, Inc.

HospitalityUnited States of America

Marriott International, Inc. is a hospitality organisation in Wisconsin. It appears on the California Attorney General breach-notification register and the Wisconsin DATCP data breach list with 2 confirmed incidents; the most recent notice was filed on March 31, 2020.

Headquarters
Bethesda, United States
ISIN
US5719032022
LEI
225YDZ14ZO8E1TXUSU86
Wikidata
Q1141173

Data as of September 12, 2026.

Confirmed incident

US-WI

Disclosed
March 31, 2020

Timeline

  1. March 31, 2020
    Reported to regulator Regulator

    WI AG breach notification: an unknown number of Wisconsin residents affected

    source
What a Wisconsin notice means

Governed by Wis. Stat. §134.98. No state agency must be notified. Affected individuals must be told within 45 days, and the national credit bureaus too when 1,000 or more people are notified; DATCP lists breaches reported to it or found to affect Wisconsin consumers.

Note: the count is Wisconsin residents only when published, not a total; many notices do not include one.

Wisconsin breach-notification register ↗

Confirmed incident

US-CA

Occurred
September 10, 2018
Disclosed
November 30, 2018

Timeline

  1. November 30, 2018
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
What a California notice means

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗