Various boot chain technologies have been developed to secure the boot chain on Xen systems, but there still exists much work to be done to fully secure running Xen systems. First, an explanation of what UEFI Secure Boot is and how it works is presented. Second, how UEFI Secure Boot may be supported on Xen systems is examined. Finally, we look at future and current work to be done in order to fully secure Xen on a UEFI Secure Boot enabled platform.