Credit card transaction securing method in which transactions between a cardholder and supplier over a telecommunications network are conducted via a third party intermediary

摘要

Method for securing credit card payments between a cardholder (5) and a supplier (7), especially via a telecommunications network (9), has the following steps: cardholder indicates to a third part (6) that he is intending to carry out a transaction with a supplier; the cardholder makes contact via the third party; and the third party manages information exchange between the two and a bank network in order to conclude a transaction. The invention also relates to a corresponding system.