ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities.
On some systems you can clear all secure boot keys, including Microsoft’s, then provision your own and sign your bootloader or kernel with it. Windows cannot boot from such systems.
On some systems you can clear all secure boot keys, including Microsoft’s, then provision your own and sign your bootloader or kernel with it. Windows cannot boot from such systems.