Methods to perform authentication of transaction in an application by mail eletru00c8nico and request by telephone and to perform authentication on a transaction of payment online

摘要

Methods to perform authentication of transaction in an application by mail eletru00c8nico and request by telephone and to perform authentication on a transaction of payment online.The method to authenticate a transaction request by email or order by phone, according to the present invention includes receiving authentication information of a cardholder to provide authentication information to a transmitter and determining whether an information ow Thentication is valid.If authentication information is valid, the sender information to the merchant, the transaction is valid. In one implementation, the issuer may not provide a message of personal safety and / or other information of cardholder classified previously provided by the cardholder in response to the authentication information.