Rosewood Hotel Group submitted a California data breach notification regarding an incident at third-party provider Sabre Hospitality Solutions. Between May 29, 2016, and January 11, 2017, an unauthorized party accessed guest reservation information, including names and payment card details (number, expiration, security code). Sabre engaged forensic experts, notified law enforcement, and disabled accounts. Rosewood notified payment card brands and alerted affected guests.