82ad790e_and_Merchant_Services_Glossary__Definition
[Term] Card Verification Value 2 (CVV2) [Definition] 
The Card Verification Value 2 is a three or four digit number physically imprinted on the back of the card. CVV2 is used as a security feature, and often is mandatory for card-not-present (MOTO/Internet) transactions. CVV2 data is not embedded in the magnetic stripe.
Credit Card Processing and Merchant Services Glossary
Definition