SAAS is a popular software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. SAAS is typically accessed by users using a thin client via a web browser. SaaS has become a commonly accepted model in organizations for business software applications such as Data Base Management System, Payroll Processing, Management software, Computer Aided-Designing and Development software, Accounting, Customer Support Management, Human Resource Management, Enterprise Resource Planning, Management Resource Systems, Content Management, Talent Acquisition, Anti-Viruses, etc.