There's this great talk from a CCC about reverse engeneering the PSP: Uncover, Understand, Own - Regaining Control Over Your AMD CPU https://www.youtube.com/wa

There's this great talk from a CCC about reverse engeneering the PSP: Uncover, Understand, Own - Regaining Control Over Your AMD CPU https://www.youtube.com/watch?v=bKH5nGLgi08 https://www.youtube.com/watch?v=bKH5nGLgi08 At 47:10, they mention that they haven't found anything evil. Ofc, this isn't hard proof, but if I trust anyone's answer, then it's theirs. I think the likelihood of it being malicious is nonzero, but small enough that I'd condemn active backdoors into the realm of conspiracy theories. There's always the possibility of it being exploited by others, but c'mon: Basically ANY other exploit would be way easier to distribute and activate than one in the PSP.