MARRIOTT INTERNATIONAL, INC.
ent_019df1c62734587c032a23ebf27a5b4a
Disclosures
7
Leak Site · State AG · 3 jurisdictions
Incidents
1
filings grouped by incident
Max affected reported
500,000,000
as filed · State AG CA
Leak-site claims
4
unverified actor claims
Identity resolution
- Canonical name
- MARRIOTT INTERNATIONAL, INC.
- Normalized
- marriott international— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 225YDZ14ZO8E1TXUSU86
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- marriott.com
Disclosure history (7)newest first
- GLOBALLeak Siteas victim2025-12-06
Book Directly & Save at any of our 9000+ Marriott Bonvoy Hotels. Choose from Luxury Hotels, Reso...
- GLOBALLeak Siteas victim2025-10-30
Book Directly & Save at any of our 9000+ Marriott Bonvoy Hotels. Choose from Luxury Hotels, Reso...
- GLOBALLeak Siteas victim2025-08-17
Marriott International is a renowned multinational hospitality company, headquartered in Maryland, USA. Founded in 1927, it operates a broad portfolio of hotels and related lodging facilities globally. Offerings include diverse properties from luxury to economy chain brands. As of today, Marriott has more than 7,000 properties in over 130 countries and territories, making it one of the world's largest hotel companies.
- GLOBALLeak Siteas victim2024-12-13
Marriott International, Inc. operates, franchises, and licenses hotels and timeshare properties worldw...
- 🐻California State AGas victim2019-10-30
Marriott International notified California residents that an unknown person accessed associate information via a third-party vendor's network. The incident, discovered on September 4, 2019, involved names, addresses, and Social Security numbers of 1,552 California residents. Marriott terminated the vendor relationship and offered one year of identity monitoring.
- 🐻California State AGas victim2018-11-30
Marriott International disclosed a security incident involving the Starwood Guest Reservation Database. Unauthorized access occurred starting in 2014. In 2018, an unauthorized party copied and encrypted data, demanding ransom. Marriott decrypted the data, confirming it came from the Starwood database. Approximately 500 million guests were affected, with 327 million having names, addresses, passport numbers, and some having encrypted payment card data. Marriott engaged security experts, notified law enforcement, and offered one year of WebWatcher monitoring.
- 🦫Oregon State AGas victim2018-11-30
Marriott International, Inc. reported a data breach to the Oregon Attorney General. The breach was reported on 2018-11-30. The breach occurred during 4/15/2014 - 4/15/2014. The breach was discovered on 11/19/2018. 500,000,000 individuals were affected. Notice was sent on 11/30/2018.
Subsidiary disclosures (2)filed by group companies
◈ These filings were made by or about subsidiaries of MARRIOTT INTERNATIONAL, INC. — not by MARRIOTT INTERNATIONAL, INC. itself. Corporate relationships are mapped from GLEIF relationship records and SEC Exhibit 21 filings.
- 🌲Washington State AGvia Starwood Hotels & Resorts Worldwide, LLC2016-01-22
Starwood Hotels and Resorts, a business sector entity reported a malware incident to the Washington Attorney General.
- 🐻California State AGvia Starwood Hotels & Resorts Worldwide, LLC2015-11-20
Starwood Hotels & Resorts Worldwide, Inc. disclosed a malware intrusion affecting point-of-sale systems at a limited number of North American hotels between November 2014 and October 2015. The malware collected payment card data (cardholder name, number, security code, expiration date). Starwood engaged forensic experts and law enforcement, secured the systems, and offered one year of free credit monitoring and identity protection to affected customers.