Criminals can work out the card number, expiry date and security code for a Visa debit or credit card in as little as six seconds using guesswork, researchers have found. Experts from Newcastle ...

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

These three- or four-digit numbers provide an additional layer of security. Here is what you need to know about credit card security codes and how to find them by issuer.

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 ...

Do you use a Visa card with Apple Pay to travel on the Tube? Researchers demonstrate how hackers could steal £1,000 from your phone without you even realising it.