As we know,cloud computing growing
drastically to achieve the prosperity for the
human,and with this thrive the
penetrate Malicious program in the cloud security
becomes more important. Several trends open up
the era of cloud computing,which is an internet
base development and use the computer
technology.The ever cheaper and more powerful
processors,together with the software as a service
SaaScomputing architecture,are transforming data
center into pools of computing service on a huge
scale.for instance,the Amazon Simple Storage
Service and Amazon Elastic Compute Cloud are well known examples