A WHITE PAPER D E T E C T IN G AND STOPPING IN T E R N AT I O N A L TELECOM FRAUDPhone fraud is a nuisance for millions of consumers, enterprises and service providers. The methods are plentiful—artificially generated traffic by hacking into corporate switches, missed call campaigns, false answers are examples of fraud that causes high costs for the victims. But fraud costs communications service providers much more. According to the Global Telecom Fraud Survey by the Communications Fraud Control Association (CFCA), international telecom fraud cost communications service providers (CSPs) $28.3 billion in 2019, or 1.74 percent of their annual revenue. CSPs have devised methods to combat fraud, but fraudsters are always coming up with new ways to turn a profit. For instance,

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