I work with an ISO and one of our merchants is using your software and Authorize.net as a payment gateway. For some reason, while they are prompted to enter a CVV code, even if they enter the wrong information it is allowing the transaction to process. Have you run into this before?
Prompting for CVV Codes
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#1 Posted by Marc Guyer Support staff on 22 Jun, 2011 04:31 PM
Hi Emily -- We have seen that before. We're virtually certain that the problem lies with Authorize.Net's CIM validation mode "liveMode" which, depending on the processor, issues a special zero dollar validation transaction when a visa is used. This is a new feature of the CIM and may not work properly.
Have you tried a mastercard or amex/disc with an invalid CVV?
Dean closed this discussion on 16 Jan, 2013 08:39 PM.