It is amazing to see the Intel ME research coming out of Positive Technologies!
From Google Translate:
JTAG in each house: full access via USB
Researchers at Positive Technologies have activated hardware debugging (JTAG) for Intel Management Engine, which allows full access to all PCH devices (Platform Controller Hub) using Intel DCI technology (via USB interface). We plan to share the details at one of the nearest conferences. And how to activate this interface, but for the main processor, we will tell below.[…]
Intel ME is the new “Pandora’s Box”, defenders are going to need bigger (better) tools… 😦