Apart from entering a card number and an expiration date, you probably will have to enter a security code — a feature on every credit card meant to help verify the card is in your possession.

When shopping online or by phone, your credit card number and expiration date aren't the only info a merchant may ask you to provide. You may also have to share your card's security code ...

Have you ever felt uneasy when someone on the phone asked for your credit card security code? Your instincts were on target. Just as most people keep their Social Security and phone numbers close ...

To prevent fraudulent charges, most merchants require customers to provide their debit or credit card number, its expiration date and a numeric code — known as a card security code — located ...

Card security codes are a form of two-factor authentication ... credit card numbers for one-time use instead of using real credit card numbers. Tags: credit cards, fraud Comparative assessments ...

For extra protection, you may want to start disguising your actual credit card number with a virtual number ... and a transaction-specific security code to the merchant, who relays it to the ...

"The advantage is it gives the user some sense of security, because you're not giving them your real credit card number and exposing your full credit line to that merchant," said Edgar Dworsky ...

Consider using a virtual card ... the security of using their permanent-card number. This free service uses regular credit-card accounts to generate unique numbers, card-verification codes and ...

Virtual credit cards allow consumers to create uniquely generated card numbers, expiration dates, and security codes for online ... do them much good since your real credit card information ...