Operations: Thwart Online Fraudsters

¥ Put in place systems that detect number-generator attacks. Here’s how such attacks occur: Fraudsters use automatic credit card number-generator programs to get thousands of credit card numbers that mirror the type a bank may have issued. Of course, most of the numbers correspond to nonexistent accounts. A fraudster will target a site and submit a series of transactions in small amounts to test a series of numbers.”Once the processor authorizes a valid number corresponding to an active account, the fraudster will begin charging the card to the limit,” the white paper’s authors noted.