Nothing is stopping you stealing someone's computer with Secure Boot and installing a fresh Windows on it. Yeah, I'd been thinking that if you were stuck with

Nothing is stopping you stealing someone's computer with Secure Boot and installing a fresh Windows on it. Yeah, I'd been thinking that if you were stuck with what was already installed, a thief wouldn't be able to get rid of any lojak / phone-home-and-brick-yourself monitors. But you're right, secure boot by itself wouldn't provide quite that level of lockdown. :(