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Undocumented Commands Found In Bluetooth Chip Manufactured in China Used By a Billion Devices.
(www.tarlogic.com)
Source Link Privacy.
Tarlogic Security has detected a backdoor in the ESP32, a microcontroller that enables WiFi and Bluetooth connection and is present in millions of mass-market IoT devices. Exploitation of this backdoor would allow hostile actors to conduct impersonation attacks and permanently infect sensitive devices such as mobile phones, computers, smart locks or medical equipment by bypassing code audit controls.
Update: The ESP32 "backdoor" that wasn't.
From what I understand, the only way to mitigate the risks relating to IME or AMD PSP is to simply not have a computer in the first place. Like I've said elsewhere twice now, it's worth mitigating some risks even if we can't mitigate all of them. I don't want the most advanced computing device in my home to be an astrolabe.