Credit card security codes, or CVVs, ... Banks and merchants stepped up security for in-person transactions with the introduction of chip-based debit and credit cards.

A CVV, or Card Verification Value, might seem like just another set of numbers on your credit card or debit card, but it plays a pivotal role in your financial security.In this digital era, where ...

Debit and credit cards look the same and can be used for many of the same purposes. ... you may be asked for the card's validation code located on the back of the card as a security measure.

Customers' Mastercard debit cards were potentially at risk. Read More ... Six regional US banks are forced to issue urgent debit card alerts following a security breach. e-mail; 69.