The Growth of the Cloud Computing invention suggests attractive and innovative computing services through resource pooling and virtualization techniques. Cloud gives delivers different types of Computing Services to their consumers according to their pay per usage of economic model. Anyhow this new technology introduces new immerse for enterprises and bussiness admired their security and privacy. The new cloud services are Security as a service (Saas). This model is mainly for Security enhancemet of a cloud environment. This is a way of gathering security solution under the control of security specialists. Identify and Access control services are the area of security, and sometimes are presented under the term identiy as a service.