NEW YORK (AP) – Marriott’s revelation that as many as 500 million guests may have been affected by a data breach at Starwood hotels, which it bought two years ago, ranks among the largest hacks ever. It is not clear if some of those included in the final tally are individuals who were counted during every stay.

https://www.washingtontimes.com/news/2018/nov/30/the-marriott-breach-compared-with-past-security-br/