Clues suggest China may have been behind the massive Marriott hack affecting 500 million people

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• Hackers behind a massive breach at hotel group Marriott International left clues suggesting they were working for a Chinese government intelligence gathering operation, according to people familiar with the matter.
• Private investigators looking into the breach reportedly found hacking tools, techniques, and procedures previously used in attacks attributed to Chinese hackers.
• The hack that began four years ago exposed the records of up to 500 million customers in its Starwood hotels reservation system.

Hackers behind a massive breach at hotel group Marriott International left clues suggesting they were working for a Chinese government intelligence gathering operation, according to sources familiar with the matter.

Marriott said last week that a hack that began four years ago had exposed the records of up to 500 million customers in its Starwood hotels reservation system.

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SEE ALSO: Here's how to check if you were one of the 500 million customers affected by the Marriott hack

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