These numbers have all been increasing over the past six months, he added.
The numbers are higher than actual incidents of fraud, Faulkner said, because individually any of these methods could have a legitimate explanation.
For example, there might be reasons why someone's IP address sets off warning bells.
"It could be that someone is very privacy conscious," he said, "Or using VPNs to connect through their work. Just because you're spoofing an IP address, doesn't necessarily mean you're illegitimate."
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