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Security and Privacy Governance in Cloud Computing via SLAs and a Policy Orchestration Service

We present in this paper the novel concept of a policy orchestration service, which is designed to facilitate security and privacy governance in the enterprise, particularly for the case where various services are provided to the enterprise through external suppliers in the cloud. The orchestration service mediates between the enterprises’ internal decision support systems (which incorporate core security and privacy recommendations) and the cloud-based service providers, who are assumed to be bound by contractual service level agreements with the enterprise. The function of the orchestration service, which is intended to be accessed as a trusted service in the cloud, is to ensure that applicable security and privacy recommendations are actioned by service providers through adequate monitoring and enforcement