Viator posted notices online September 19 about the breach, although the company learned of a problem 17 days’ earlier when its payment card service provider informed Viator about unauthorized charges on “a number” of customers’ credit cards. Of the ongoing investigation into what happened, Viator states: “We have hired forensic experts, notified law enforcement and we have been working diligently and comprehensively to investigate the incident, identify how our systems may have been impacted, and secure our systems.” Get the full story at Skift and Viator