Implementing an Audit Trail
Imagine that a customer orders a large quantity of miniature plastic dinosaurs from your online dinosaur business and then disputes the credit card transaction after the dinosaurs have been shipped, claiming he never ordered the dinosaurs. As the owner of the online business, how can you verify that the customer actually placed the order? In security terms, when a user denies doing something such as placing an order, this is known as repudiation. In other words, repudiation refers to someone denying his obligations in a contract.
When a customer disputes a transaction, ultimately you will take follow-up action such as contacting the customer or talking to the credit card company. However, before doing this you must verify ...
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