Its advantage is that bookmakers know who made the bet and where. If a large amount of money is placed on a particular bet, bookmakers respond by lowering odds. As well as FIFA games, it also monitors Major League Soccer in the United States and Japan's J League.
Sportradar's Paterson said the explosion of the online industry led to particular match-fixing trends appearing.
"EWS in FIFA is a small and capable organisation but it seems to me that they don't have a substantial field presence," said Eaton.
"A warning system has got to be global - gambling is global," he told Reu