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 ...

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

Cardholders can take these steps to ensure the security of their credit cards. The best and worst of popular prepaid credit cards. Getty Images — -- intro: Credit card security has been in the ...

Using a biometric scanner on your credit card makes your transactions more secure, but it might not solve any real issues. Evan Zimmer has been writing about finance for years. After graduating with a ...