Invention Grant
US08832352B2 Hypervisor-driven protection of data from virtual machine clones 有权
虚拟机管理程序驱动的数据从虚拟机克隆保护

Hypervisor-driven protection of data from virtual machine clones
Abstract:
A system and method for protecting secure data from virtual machine clones are disclosed. In accordance with one embodiment, a hypervisor transmits a message to a guest operating system hosted by a first virtual machine, where the message identifies a memory location for a secure datum. After the transmission of the message, when the hypervisor receives a direct-copy command to clone the first virtual machine, the hypervisor creates a second virtual machine via direct copy, where the second virtual machine is not provided access to the secure memory location during its creation.
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