Science and Development Network (SciDev.Net)
Cloud computing has become one of the important technologies for reducing cost and increasing productivity by efficiently using IT resources in companies. The cloud computing system has mainly been built for private enterprise, but public institutions, such as governments and national institutes also have plans to introduce the system in Korea. Various researches have pointed out security problems as a critical factor to impede the vitalization of cloud computing services, but they only focus on the expected security threats and their correspondents for solving problems. Cloud computing security area is classified into managerial, physical and technical area in the research.