Credit card terms and glossary - Security code


	CreditCardGuide > Glossary > Security code Credit Card Glossary Puzzled by credit card jargon? Browse the CreditCardGuide.com glossary for the definitions of common and confusing credit card terms. All 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Security code The three- or four-digit number that appears on the back of credit and debit cards. Because this number appears only on the card itself and not on credit card statements, it's used to help prevent fraud in transactions made online or by phone.

Security code