Cloud computing is one of the utility based computing where user is charged as per their usage. To adopt the cloud services on a wide scale by businesses and individuals, it is necessary for cloud providers to provide adequate accountability and policy monitoring techniques to protect against an increasing number of threats, since security is the predominant issue of cloud services. There is no widely accepted methodology or toolset for achieving security in cloud. This paper emphasize on achieving secure cloud computing Services using virtualization and service policy monitoring techniques. Policy monitoring is a continuous process based on regulatory compliance, information risk, based on service requirements, cloud business requirement.