The ICO claimed that Marriott failed to take timely steps to secure its systems after buying Starwood in 2016. Following the ICO's announcement in July, Marriott said that it would contest the ruling.

What You Need to Know About the Marriott-Starwood Merger When Marriott International announced a $12.2 billion bid for Starwood Hotels and Resorts Worldwide, consumers weren't the only ones ...

Sorenson said Starwood appealed to Marriott because of its portfolio of 11 brands, many of them lifestyle hotels that tend to attract younger travelers. Marriott International has agreed to buy ...