This enables hardware owners to specify custom kernel driver signing requirements, enabling kernel mode code to run without having to submit it to Microsoft for signing.<p>For an in-depth discussion on the topic of driver signing on Windows see Geoff Chappell's excellent write-up: <a href="https://www.geoffchappell.com/notes/windows/license/customkernelsigners.htm" rel="nofollow">https://www.geoffchappell.com/notes/windows/license/customke...</a> (RIP)