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More Than 5 Million Customers Affected In Latest Marriott Hack

The hotel chain says a system containing guests' names and personal information was accessed.

More Than 5 Million Customers Affected In Latest Marriott Hack
Rick Bowmer / AP
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Marriott says one of its internal data systems has been hacked. 

The hotel chain revealed the breach Tuesday, and said approximately 5.2 million guests may have been affected. 

The data system contained Marriott customers' names, addresses and phone numbers, as well as loyalty program details and airline affiliate information. Marriott confirmed credit card information and passwords were not stored in the system.

Marriott said it believes the breach began in mid-January. But it didn't learn about it until more than a month later. Marriott said it's sending emails to those who might be affected. 

This hack comes after Marriott revealed in 2018 that hackers had accessed the personal information of as many as 500 million guests in its Starwood reservations database. 

Contains footage from CNN