My account history is asking for a security code what is this??
What's is a security code? It's asking for one underneath my bank card number
iPhone 4S, iOS 7.1
It's the 3 or 4 digit code on the credit card that you have on your account - it's sometimes on the front of the card (e.g. Amex cards), but is usually on the back of the card on the signature strip.
Card security code : http://support.apple.com/kb/HT3541