Which is to say, it's hiding in plain sight. The secure enclave and T2 modules can do things to the processor. Who's to say "things" doesn't include ME-like capabilities?
Neither of these are obscure products, they are of great interest to reversers and other security researchers. The list of shady things IME does which the T2 isn't known to is extensive.
https://en.wikipedia.org/wiki/Intel_Management_Engine
And this for the T2:
https://en.wikipedia.org/wiki/Apple_T2
Neither of these are obscure products, they are of great interest to reversers and other security researchers. The list of shady things IME does which the T2 isn't known to is extensive.