Marriott Starwood data breach impacts 500 million hotel guests

Marriott has revealed that its Starwood guest reservation database was recently impacted by a security breach. The intrusion was detected on November 19 by a Marriott investigation after the company received an alert on September 8, 2018. Following the alert, Marriott says it tapped security experts as part of an investigation that ultimately discovered “unauthorized access” on its Starwood network. …