The Intel Management Engine goes unnoticed by most users, but the subsystem plays a very important role in Intel-based systems.
Since 2008, nearly every CPU released by the company comes with the IME which some call a computer within your computer, as it has some pretty eye-opening capabilities.
In a computer architecture diagram, it would sit above the CPU but below the operating system.
For years the EFF has argued that this "black box" is a huge security threat considering it can control your system even when the computer is turned off.
Their fears were brought to fruition this week after security researchers discovered a devastating USB-based exploit.
We (I and @_markel___ ) have obtained fully functional JTAG for Intel CSME via USB DCI.