云安全的本质和面临的挑战

云安全问题逐步成为挑战。然而，人们对云安全问题的认识普遍存在误解。文中首先指出云安全的本质，即在云计算时代，安全设备和安全措施的部署有所不同；安全责任的主体发生了根本变化。在此基础上，进一步提出人们对云安全的几个主要错误认识，并介绍了云安全面临的挑战合规性要求的满足，以及计算和数据在虚拟系统上的分离。

Nature and Challenges of Cloud Computing Security

Could computing is growing rapidly and cloud security is going to be a big challenge. However, there exists much misunderstanding on cloud computing security, and many people could not comprehend the security issues properly. This paper, based on introduction of the security nature, discusses some misconceptions on this problem. Finally, this paper describes main challenges of the cloud computing.