Analysis on cloud computing and its security

Cloud computing becomes more and more familiar to people, and its application field becomes more and more widely. How to build secure computer cloud computing environments becomes one of the hot research subjects. In this paper, from the definition of clouding computing, introduced its development status, and analysized the security problems. Put forward some trains of thought about the security, and at last this paper believes that trusted cloud computing will be a promising direction of the future cloud security researches.