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But that means you have pretty low conversion rate. You have 1000 numbers of stolen cards, and you only going to get 10 of them? It reduces profitability substa
by aquadrop 10y ago
But that means you have pretty low conversion rate. You have 1000 numbers of stolen cards, and you only going to get 10 of them? It reduces profitability substantially. And even 100 attempts is enough to mark card as stolen if bank is watching it.
- belovedeagle 10y agoThey don't need to steal a card at all to do this. They're just guessing random numbers — everything after the issuer/cardtype numbers (first 5 or 6). So there's nothing to convert, and they only try a particular card number a few times.