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Breach occurred 2024-07-01Verifiedotelier.com
What happened
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 868k generated email addresses from the booking.com and Expedia platforms were not loaded into HIBP), names, physical addresses, phone numbers, booking information related to travel plans, purchases recorded by the platform and in a small number of cases, partial credit card data.
Data exposed
Frequently asked questions
The Otelier data breach occurred on July 1, 2024. It was added to Have I Been Pwned's breach catalog on January 18, 2025.
436,855 accounts were affected by the Otelier data breach, according to Have I Been Pwned's records.
The Otelier breach exposed the following data types: Email addresses, Names, Partial credit card data, Phone numbers, Physical addresses, Purchases, Travel plans.
Yes. Have I Been Pwned has verified the Otelier breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the Otelier breach, or any other known breach — the tool never stores what you search.
Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.
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