Microsoft Secure Boot Bypassed by Decade-Old Unsigned Bootloaders
ESET researchers have found 11 old Microsoft-signed UEFI shim bootloaders that let attackers bypass Secure Boot entirely. The bootloaders date back to 2013, version 0.9 and earlier, and Microsoft never revoked their signatures. Secure Boot was introduced with Windows 8 in 2012 as a hardware-level protection. It checks that only trusted, signed bootloaders run during […]