Marriott says its database hacked affecting up to 500 million

Marriott International said on Friday that up to 500 million hotel guests may have had their data compromised in a hack of the Starwood reservation database.

During the recent investigation of a “data security incident” of the Starwood system, Marriott learned “that there had been unauthorised access to the Starwood network since 2014,” a statement said.

The company said on Friday that credit card numbers and expiration dates of some guests might have been taken.

More to follow.