International Journal of Computer Applications
World Wide Web is working as a fuel to the systems like SaaS. SaaS shares both the application delivery model and the business model. It provides the customers to access the application using a web browser. It provides better scalability to users. SaaS applications mostly support multi-tenant system to provide the service to many customers at a single instance. It provides users to access the database application server in authentication environment, but it has been found that it is scalable but not much secure for all the customers accessing the same functionalities, it may occur to the information hacked system.