International journal of Engineering and Management Research (IJEMR)
Cloud computing is an emerging technology in IT where the users get various services on demand like program execution environment, application development environment, data storage facilities, etc. over the internet i.e. under single roof. These services are provided to customer by third party on leased basis. Besides of these facilities there are also many security issues because by putting everything under one roof i.e. into the cloud will make easy for hacker. Security is main obstacles in the growth of cloud computing.