Otelier — 437K accounts
Severity: Medium · Kind: Data breach
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From the source
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.
Breach facts
- Accounts affected
- 436,855
- Verified
- Yes
- Sensitive
- No
- Domain
- otelier.com
- Data exposed
- Email addressesNamesPartial credit card dataPhone numbersPhysical addressesPurchasesTravel plans
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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.