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expiration date in credit card authentication

expiration date in credit card authentication

Posted Dec 10, 2011 18:02 UTC (Sat) by giraffedata (subscriber, #1954)
In reply to: This is strange... by corbet
Parent article: Google Authenticator for multi-factor authentication

It doesn't surprise me that for some charges the expiration date has to be right. There's a lot of diversity in this area.

But I know that traditionally, the expiration date wasn't part of authentication. When I did it, it was in 1999 using a traditional merchant credit card terminal.

Banking computing standards often take a decade to make even a trivial change because regulators are very careful. I'm pretty sure that this terminal wasn't even capable of transmitting the expiration date I typed to its partner.


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