The sneaky cyberattack known as card testing often takes a back seat to more notorious ones. However, card testing against online businesses is now on the rise and poised to deliver financial ...

Imagine receiving a notification about suspicious charges on a credit card you haven’t even received yet. How could that happen? While it sounds surprising and unsettling, it's increasingly common due ...

The numbers on a credit card help identify the credit card network, the company that issued the card and the cardholder.

Chauncey grew up on a farm in rural northern California. At 18 he ran away and saw the world with a backpack and a credit card, discovering that the true value of any point or mile is the experience ...

Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

You’re at the checkout screen after an online shopping spree, ready to enter your credit card number. You type it in and instantly see a red error message ...

Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

Credit card security codes are three-digit codes on the back of your card (four-digits on the front if you have an American Express card) used to verify that have the physical card. You typically ...