The BBC is reporting that the records of 327 million guests of Marriott Hotel may have been affected by a data breach involving its reservation database.

The hotel chain said the guest reservation database of its Starwood division had been compromised by an unauthorised party.

It said an internal investigation found an attacker had been able to access to the Starwood network since 2014…

For about 327 million guests, the information included “some combination” of:

  • name
  • address
  • phone number
  • email address
  • passport number
  • account information
  • date of birth
  • gender
  • arrival and departure information

It 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.

“We deeply regret this incident happened,” the company said in a statement.

“Marriott reported this incident to law enforcement and continues to support their investigation. The company has already begun notifying regulatory authorities.”…

Read more at Marriott hack hits 500 million guests