Abstract: Innovation are necessary for every technology changes. many enterprises want to reduce their computing cost through the virtualization. so for reducing the cost of computing there is new technology called cloud computing.cloud computing reduced the cost through reduced administration and infrastructure cost and improved the utilization. cloud computing is known as the sum of SAAS (software as services) and utility computing. cloud computing is at its initial stage and it is very new technology for the enterprises so many enterprises have doubt for adopting the cloud computing. This paper present the cost and security issues for enterprises.In this paper I present the advantages and disadvantages of cloud computing in terms of cost and security for enterprises.in the end I found that cloud computing is better for small and medium sized enterprises in terms of cost and security as compared to large enterprises.
Keywords: cloud, computing, cost, security, enterprises