Abstract
Since several years, companies have understood the importance of Internet. Nowadays, Internet takes an important place in our life. Indeed, new technologies modify between the various actors of the professional world (clients, suppliers and the internal working of the company).
Companies have understood the importance of this phenomenon, and decided to use several tools to answer at customer expectations. E-Business and e-trailer are more and more use by companies in all the sectors. We can define the term "e-business" as integration within the company of tools based on communication and information technologies to improve the working of the company and to create added value.
More companies use e-tailing in order to sell its products for the customers. Customers can find on the website of the company the catalogue with products offer by the company. Customers can buy any product in this virtual mall. The security of businesses transaction is very important in order to reassure the customer.
