AMD's version is PSP (Platform Security Processor or something like that) -- an ARM core with TrustZone, running code they won't show you. That code has no publ

AMD's version is PSP (Platform Security Processor or something like that) -- an ARM core with TrustZone, running code they won't show you. That code has no publicly disclosed vulnerabilities, which means that it's at least as secure as the Intel ME was a few months ago...