Cloud Computing Security Issues

Cloud Computing is the latest paradigm that involves delivering hosted services over the Internet, based on pay-as-you-go approach. Cloud computing provides number of benefits out of which economic benefit is main benefit. With the lots of benefits some challenges are there to be solved and out of which security is a major challenge. Cloud security issue is a critical issue and because of this users are hesitating to use the clouds. In this paper we surveyed the cloud computing security issues. Our main contribution is to classify the issues according to the different service models and to provide some directions for solutions. Enough or adequate security can be achieved by solving these issues.