It's not quite clear to me whether fTPMs really protect against hardware attacks. According to https://security.stackexchange.com/questions/189950/how-does-fu

It's not quite clear to me whether fTPMs really protect against hardware attacks. According to https://security.stackexchange.com/questions/189950/how-does-full-memory-encryption-in-newer-processes-protect-against-dma-attacks https://security.stackexchange.com/questions/189950/how-does... most CPUs can be controlled via JTAG, and apparently that includes many of their deep internals.