Anyone can buy an RFID credit card reader online, where second-hand units sometimes go for under $10, and start scanning cards in public, without cardholders knowing.

A credit card security code is a three- or four-digit code that’s unique to your card. In case a merchant asks, the security code goes by a few different names, mainly the: ...

The security code is three digits long for Visa, Mastercard and Discover cards. These issuers have the security code on the back of your card, to the right of the signature panel.

Ottawa Callers use fake fraud to gain credit card security codes CBC News · Posted: Apr 14, 2008 9:00 AM PDT | Last Updated: April 14, 2008 ...