"You have to ensure things you did in the past, before the cloud, can still be done," he said. "You have to know for sure that services managed in the cloud have the highest integrity, and that you will have choices over whether to receive an update and when the update is made."
About this series: Enterprises are increasingly dependent on cloud-based infrastructure -- virtualized resources provided as a service over the Internet. But security experts worry that many businesses are embracing the cloud without regard for the risks. This series will define how the cloud has changed business processes, where the security risks are and how to mitigate those risks.