CNN Your Money December 21, 2013 14:40:00
Shopping at target, you may be wondering what a hacker could learn from you from your credit card. when you swipe, this is what a hacker could learn from the data on the magnetic strip. your name, credit card number, the expiration date and the cvv code on the back. >> all of this key data can be used to falsify the card and fraudulently use it online. they can access that by the strip. >> reporter: in the case of the target hack, that data may be enough to make a counterfeit card. one security researcher showed us a different credit card hack explains. to the employee, everything looks normal...