Application Support
Virtual PC Hypervisor
- Operating systems and applications running in a virtual machine expect access to Ring 0
- Ring -1
- Virtual security level with more permissions than Ring 0
- Hypervisor program runs with a higher security level than any operating system
- Computer can be running one or more operating systems that think they have the highest security level
Read more about hypervisor technology at: http://en.wikipedia.org/wiki/Hypervisor