Secure boot will be backed up by default in the upcoming FreeBSD 10.1 release, which is due to be built by the close of October.
As the FreeBSD’s 10.1 boot process is being under a steady progress development for more stability and security, Implementing UEFI booting is the first step on the road. Secure boot is a feature as called the Unified Extensible Firmware Interface (UEFI), the replacement of the old BIOS. Microsoft Win 8 was probably the first major OS to take extensive advantage of UEFI fully implementing it in October 2011, UEFI uses encrypted key exchanges to verify whether the operating system which was booting on given hardware was what it claimed to be.
Check out the full post here: http://bsdmag.org/freebsd-10-1-is-to-support-secure-boot-capabilities/