Your system will still work without the security feature, but what are the risks if you disable it?

I only know that secure boot is a feature that checks the system bootloader is properly signed by something/somebody authorized to do so. So it would make sense that ...

Ever since it was first brought to light that Windows 8’s secure boot mechanism could cause problems for Linux users, speculation has been running rampant as to the exact nature of the difficulties ...

But GRUB2 does not figure in Ubuntu's method. There will be some other bootloader, under an unspecified licence. Canonical's reasoning is that if some manufacturer were to sell a machine running ...