3 Xiaoxin Chen Tal Garfinkel E. Christopher Lewis Pratap Subrahmanyam Carl A. Waldspurger Dan Boneh Jeffrey S. Dwoskin Dan R. K. Ports 2008 Overshadow: A Virtualization-Based Approach to Retrofitting Protection in Commodity Operating Systems Proc. of the Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS) March 2008 http://www.vmware.com/files/pdf/partners/academic/overshadow.pdf