Secure Boot is an option in UEFI that allows you to make sure that your PC boots using only software that is trusted by the PC manufacturer. It should put an end to the revival of boot-kits that became prevalent in recent years. The development of a next generation method of storing the partitioning information was done mostly (for Windows operating systems) in association with UEFI as a replacement for the BIOS. It does offer security, but some who prefer other Operating Systems regard this security feature as somewhat controversial.”]
Source: https://blog.malwarebytes.com/101/2015/05/secure-boot/