Otelier

Disclosed Jan 17, 2025436,855 accountsUnverified

Hackers steal hotel guest data from Otelier cloud storage

Hotel data platform Otelier confirmed attackers accessed its Amazon S3 storage between July and October 2024 and took guest data and reservations for brands including Marriott and Hilton; Have I Been Pwned found 1.3 million unique email addresses in the data.

What is known

People affected	436,855 (accounts in the leaked data, per Have I Been Pwned)
Disclosed	Jan 17, 2025
Happened	Jul 1, 2024
Attack	Hacking
Data exposed	EmailsNamesPayment cardsPhone numbersAddressesFinancialOther
Sector	Hospitality · US
Status	Unverified: not yet confirmed by an official notice, a filing or the organization
Check your email	Have I Been Pwned

Sources

Aggregatorhaveibeenpwned.com

Have I Been Pwned: Otelier

Newsbleepingcomputer.com

Otelier data breach exposes info, hotel reservations of millions

Notices filed

TotalJan 17, 2025

ResearchCount not stated

Accounts in the dataJan 18, 2025

Have I Been Pwned436,855 people

History of this record

source_type2026-09-25

aggregator to pressby seedSource

source_url2026-09-25

https://haveibeenpwned.com/Breach/Otelier to https://www.bleepingcomputer.com/news/security/otelier-data-breach-exposes-info-hotel-reservations-of-millions/by seedSource

country2026-09-25

empty to USby seedSource

sector2026-09-25

tech to hospitalityby seedSource

attack2026-09-25

unknown to hackingby seedSource

data_types2026-09-25

["emails","names","payment-card","phone","addresses","financial"] to ["emails","names","payment-card","phone","addresses","financial","other"]by seedSource

disclosed2026-09-25

2025-01-18 to 2025-01-17by seedSource

summary2026-09-25

In July 2024, a threat actor gained access to the hotel management platform Otelier and retrieved customer data from well-known hotel brands including Marriott, Hilton, and Hyatt . The data included 437k customer email addresses (a further to Hotel data platform Otelier confirmed attackers accessed its Amazon S3 storage between July and October 2024 and took guest data and reservations for brands including Marriott and Hilton; Have I Been Pwned found 1.3 million unique email addby seedSource

title2026-09-25

empty to Hackers steal hotel guest data from Otelier cloud storageby seedSource

Added2026-09-25

First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Otelier