Dual-boot by replacing the SSD

[fsflover]

@zaz

So when booting Windows, the Windows SSD will have no access to the Qubes SSD.

If Windows compromises the BIOS, then it can compromise dom0. You can use Heads to verify your BIOS every time you boot to mitigate that. This is mentioned here:

Multibooting Qubes

Introduction You should think carefully before dual booting Qubes on your box. Read the guidelines carefully. One problem is that when you dual or multiboot, even if you are using encryption on your Qubes installation, /boot is still unprotected and could be maliciously modified by the other OS, possibly leading to Qubes itself being maliciously modified. The other problem is firmware security - for example the other system could infect the BIOS firmware, which might enable compromise or spyi…