9. Glossary

3-D Secure

A secure Internet payment protocol designed to ensure that the credit card used for each online payment is actually used by the cardholder. The protocol introduces an additional step at the time of payment, requiring the Internet user to enter a dynamic, single-use code (in addition to the credit card number, expiry date and three-digit security code on the back).

authentification; authentication

Authentication is the security function that consists of providing and checking proof of the identity of a person, message sender, software, logical server or equipment.

authentifieur; authenticator

Electronic medium containing a computing device for authenticating a terminal and its holder, as well as a storage space for associated credentials.

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