Security Issues Occur in Cloud Computing and There Solutions

Cloud computing is a recent advancement wherein IT infrastructure and applications are provided as "Services" to end-users under a usage-based payment model. Many organizations, such as Google, Amazon, IBM and many others, accelerate their paces in developing Cloud computing systems and providing services to user with best affords but there phases many difficulties regarding security problem and users also afraid toward security of own data, i.e., whether cloud providers able to maintain data integrity, confidentiality as well as authentication.