Why PCI Doesn’t Get Easier the Second (or Fourth) Time Around
June 8th, 2011The answer to all these questions is simple, pens PCI Columnist Walter Conway: Things change. And those changes are typically caused by one of three things: PCI DSS itself changes; the threat environment changes as the bad guys adopt new tactics; or, most often, the retailer's own payment environment and, therefore, its PCI scope, changes. Think about it. How many times does a year go by in which reailers don't expand their network, add new servers and expand the number of end users?Read more...
Cards issued by European banks when used online cross border don't usually support AVS checks. So, when a European card is used with a billing address that's in the US, an ecom merchant wouldn't necessarily know that the shipping zip code doesn't match the billing code.
-Marc
