Secure Boot
Secure Boot is a new feature that protects your computer from malware that takes control of your computer at the moment it boots up, before Windows’ security system kicks in. This kind of malware can sneak in on a USB thumb drive, or appear in a virus that infects the disk’s Master Boot Record, the first code that’s executed after the BIOS self-test has finished.
When Windows 8 is installed on a computer that has a Unified Extensible Firmware Interface (UEFI) BIOS on its motherboard, you (or your organization’s IT department, or your computer’s manufacturer) can lock down the system so that only an authorized, unmodified, digitally signed operating system can boot.
In fact, to earn a Windows 8 logo sticker, computer vendors are required ...
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