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Does UEFI mean secure boot?

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Secure Boot is one feature of the latest Unified Extensible Firmware Interface (UEFI) 2.3. 1 specification (Errata C). The feature defines an entirely new interface between operating system and firmware/BIOS. When enabled and fully configured, Secure Boot helps a computer resist attacks and infection from malware.

Is UEFI required for Secure Boot?

Secure Boot requires a recent version of UEFI. Window Vista SP1 and later support UEFI. Update the firmware if you are in doubt, or if you don’t see the options you expect in the system menu. Secure Boot requires Windows 8.0 or higher.

Is Secure Boot legacy or UEFI?

In general, install Windows using the newer UEFI mode, as it includes more security features than the legacy BIOS mode. If you’re booting from a network that only supports BIOS, you’ll need to boot to legacy BIOS mode. After Windows is installed, the device boots automatically using the same mode it was installed with.

How do UEFI and Secure Boot Work Together?

Secure Boot establishes a trust relationship between the UEFI BIOS and the software it eventually launches (such as bootloaders, OSes, or UEFI drivers and utilities). After Secure Boot is enabled and configured, only software or firmware signed with approved keys are allowed to execute.

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