Hotel management platform Otelier suffered a data breach after threat actors breached its Amazon S3 cloud storage to steal millions of guests' personal information and reservations for well-known hotel brands like Marriott, Hilton, and Hyatt. [...]
source https://www.bleepingcomputer.com/news/security/otelier-data-breach-exposes-info-hotel-reservations-of-millions/
source https://www.bleepingcomputer.com/news/security/otelier-data-breach-exposes-info-hotel-reservations-of-millions/