IJCTT-International Journal of Computer Trends and Technology
Now-a-days, many organizations are using cloud computing and it's rapidly increased. The usage of cloud computing is low cost it provides more profits and accessibility of data. In cloud computing environment the major factor is ensuring the security for cloud computing, in the cloud sensitive information can be stored by the user and the cloud storage providers may be untrusted. Single cloud computing is less popular with the customer due to risk of service availability and there is a chance of misusage insiders will enter in single cloud. A motion towards \"Multi-clouds\", or in other words, \"Inter-clouds\" or \"Cloud-of-clouds\" has occurred recently.