Fighting fraud is expensive for online merchants. At merchants that sell physical goods, the combined cost of packaging and shipping, implementing fraud fighting technology, the internal staff needed to oversee questionable transactions as well as chargeback management and resolution can more than double the monetary value of the goods lost to criminals. FIS is the world’s largest merchant acquirer. Its Worldpay division supports more than a million merchants worldwide. The company has joined with top fraud fighter Signifyd to launch a new service for ecommerce merchants that guarantees m...