I recently built a new computer and enabled BitLocker on it. When doing so, it asked me to save my recovery key, but I didn’t have a working printer or a flash drive to hand to save my recovery key to (also it doesn’t seem sane to store the recovery key in cleartext on a USB stick), so I cheated and used Print to PDF to save the recovery key to my OS drive… the one I was encrypting.
A little later I was hardening my security settings and changed the DEP policy to from the default (opt-in) to opt-out. I...