this post was submitted on 21 Feb 2026
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Secureboot is worthless if the Microsoft keys are still enabled. It should only allow code that you sign yourself to boot.
If the end user can arbitrarily sign code themselves that is bootable then it kind of defeats the purpose of secure boot.
The whole idea is that it makes it impossible to start if the chain of trust is broken.
They can & it doesn't. They can change the platform key to become the platform owner & control the public keys they keep in the code signing databases. Secure Boot gives the platform owner control over authorized code signers of boot processes.