Blog post of Positive Technologies researchers
How to Hack a Turned-off Computer, or Running Unsigned Code in Intel ME
Quote:
Intel Management Engine (Intel ME) is a proprietary technology that consists of a microcontroller integrated into the Platform Controller Hub (PCH) chip and a set of built-in peripherals. The PCH carries almost all communication between the processor and external devices. Therefore, Intel ME has access to almost all data on the computer. The ability to execute third-party code on Intel ME would allow for a complete compromise of the platform.
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