Economy Marriott data breach hits 500 million guests Updated : November 30, 2018 08:10 PM IST For roughly two-thirds of the guests who were possibly affected, the information in the breach included names, addresses, phone numbers, email addresses, passport numbers and travel details. Marriott said some records also included encrypted payment card information, but it could not rule out the possibility that the encryption keys had also been stolen. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.