Chimicles & Tikellis LLP (“C&T”) is investigating a potential class action lawsuit against Marriott International—the world’s largest hotel chain—following its announcement on Friday, November 30, 2018, that the personal information of up to 500 million guests at its various hotels around the world may have been accessed as part of a data breach of its Starwood guest reservation database. News outlets are reporting that this may be one of the largest breaches of consumer data in history.