Most of the e-commerce websites provide their customers to remotely do any transaction and be safe from Internet attacks. For any business either it is business-to-business, business-to-consumer, consumer-to-consumer or business-to-government it is needed that they exchange the information with secure manner. Business needs proper implement of the security services like authentication, confidentiality, integrity, access control and non-repudiation with the use of proper mechanism like encipherment, notarization, authentication exchange, routing control and digital signature. This paper explains the usefulness of e-commerce security model for the organizations which are doing their business online.