This paper firstly described the current status that development of cloud computing and application of technology. Secondly analyzed challenges that the new network deployment of cloud computing environment brought. According to the traditional and virtualized problem in cloud security

this paper conducted a research and presented a solution of resource pooling in cloud security

realized automatic management of security resources through efficient cooperation of virtualized network

adaptation of cloud platform. This paper will have a positive effect on the development of private service cloud security technology in telecommunication industry.