[twilightfog]

Fraud "facts" like that applied in a blanket fashion would frequently flag international customers, 3 of the 5 rules listed apply to me.

[svmegatron]

A US company selling internationally will have to be very careful, especially at first, applying any "fraud best practices."

One of the (apparent) advantage to the OP's service is that there is a built-in learning component, presumably tailored to your particular store. That should help quite a lot with recognizing patterns unique to an individual situation.