3-D Secure offers an added layer of security for online credit and debit card transactions, validating that the online shopper is actually the cardholder. It enables cardholders to create a PIN, or ‘secure code,’ and assign it to their credit card. During checkout, the customer is prompted to enter their credit card PIN. The cardholder’s identity can then be confirmed by their credit card provider.
3-D Secure adds another authentication step for online payments. Merchants are encouraged to use 3-D Secure to achieve higher coverage against fraud losses. When a merchant does not use 3-D Secure they are liable for fraudulent transactions even if the transaction was properly authorized. Cardholders who aren’t enrolled in 3D Secure will not notice any change to their transaction process.
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