CIS 170F: Windows 7 Administration

Week 1

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