Cloud security is a top concern for any organization migrating to the cloud. The threats are many.
For example, the fact your data resides in a shared, multi-tenant environment is a threat that has become a reality with the latest Xen virtualization bug, which allowed a malicious fully virtualized server to read data about other virtualized systems running on the same physical hardware or the hypervisor).
Other threats to cloud security include internal employees and even governments.
more here............http://www.porticor.com/2014/11/cloud-key-management-vs-hardware-based-key-managers-hsms/
For example, the fact your data resides in a shared, multi-tenant environment is a threat that has become a reality with the latest Xen virtualization bug, which allowed a malicious fully virtualized server to read data about other virtualized systems running on the same physical hardware or the hypervisor).
Other threats to cloud security include internal employees and even governments.
more here............http://www.porticor.com/2014/11/cloud-key-management-vs-hardware-based-key-managers-hsms/