Data center operator Rackspace takes the physical security of its facilities seriously. A rash of server thefts from data centers hit the industry in 2008 and served as a lesson to beef up their security. Even encrypted data, to be processed by applications in the cloud, has to be decrypted. PrivateCore has created its own secure hypervisor that allows a company to control and secure its own private virtual machines, even if they are running on public cloud infrastructure. The company’s technology is able to encrypt any code and data in memory, Horovitz says.”]
Source: https://www.darkreading.com/cloud/the-physical-security-factor-with-cloud-providers