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.

A credit card security code is a three- or four-digit number that’s found only on a physical credit card.

A credit card security code provides protection against fraud in online and over-the-phone transactions.

Working out the card number, expiry date and security code of any Visa credit or debit card can take as little as six seconds and uses nothing more than guesswork, new research has shown.

The card brand's dCVV2 specification code standard can put a dynamic CVV2 payment card in the hands of customers sometimes in a matter of hours, rather than days or even months, contends ...

Trend Micro’s Rik Ferguson posted a good piece on Thursday about a major shortcoming in credit card security programs maintained by MasterCard and Visa. Although the loophole that Ferguson ...

Ahead of Friday's cybersecurity summit, Visa and MasterCard announced plans to ramp up security efforts for online and mobile transactions.