What is 3D Secure?

The 3-D Secure protocol was developed by Visa to improve the security of Internet payments. The protocol is offered with the service name Verified by Visa. MasterCard has also adapted a similar protocol called MasterCard SecureCode. Both are designed to allow authentication of cardholders by their Issuers at participating merchants. The objective is to benefit all participants by providing Issuers the ability to fully authenticate cardholders through the use of a password during Internet purchases, reducing the likelihood of fraudulent usage of Visa and MasterCard credit cards and improving overall transaction performance.

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