No abstract

Cloud computing has become the platform for different web services. It is because of the technology virtualization, which enables cloud providers to provide service for a large number of customers. It is cost-effective and it also enables an efficient way of data storage and data processing to provide service for a large number of customers. But there is a disadvantage also. There can be a risk of security breach if proper precaution is not taken. The main characteristics of virtualization are resource sharing and isolation. This is the strength of virtualization. But there can be a problem of security if used without taking proper precautions. The environment makes it prone to bugs and the whole system can be damaged by one malicious virtual machine in the cloud. This attacks other virtual machines in the cloud. This paper studies different risks in virtualization and analyses the different methods to overcome them and make the environment less vulnerable to risk.