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What Is 3-D Secure?
3-D Secure (3DS) is an additional authentication layer for online card transactions where the cardholder's issuing bank may verify the customer's identity. Modern EMV 3-D Secure uses risk-based authentication with frictionless and challenge flows. It doesn't eliminate fraud or guarantee approval or liability shift.
Read moreWhat Is CVV?
CVV (Card Verification Value) is a card security value used as an additional card-not-present verification signal. Providing the correct value can indicate access to the card information including the security code, but does not prove the customer's identity or guarantee possession of the physical card.
Read moreWhat Is AVS?
AVS (Address Verification Service) is a fraud-risk signal for card-not-present transactions. It compares submitted address information with address information associated with the card account and returns a match result. A match doesn't prove legitimacy; a mismatch doesn't automatically prove fraud.
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