Rootkits are often part of an entire suite of malware that can bypass local logins, record passwords and keystrokes, transfer private files, and capture cryptographic data. Rootkits use the same privileges as the operating system and start before it, which means they can completely hide themselves. Secure boot prevents a sophisticated and dangerous type of malware-called a rootkit-from loading when you start your device. If the signatures are good, the PC boots, and the firmware gives control to the operating system. When the PC starts, the firmware checks the signature of each piece of boot software, including firmware drivers (Option ROMs), EFI applications, and the operating system. Support for Secure Boot was introduced in Windows 8, and also supported by Windows 10. Secure Boot is a security standard developed by members of the PC industry to help make sure that your PC boots using only software that is trusted by the PC manufacturer.
How to Enable or Disable Secure Boot on Windows 10 PC
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