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. Private investigators looking into the breach have found hacking tools, techniques and procedures previously used in attacks attributed to Chinese hackers, Reuters reported, citing three sources who were not authorized to discuss the company’s private probe into the attack. From the report: That suggests that Chinese hackers may have been behind a campaign designed to collect information for use in Beijing’s espionage efforts and not for financial gain, two of the sources said. While China has emerged as the lead suspect in the case, the sources cautioned it was possible somebody else was behind the hack because other parties had access to the same hacking tools, some of which have previously been posted online.
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