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UEFI Secure Boot provides protection from this type of attack by requiring cryptographically signed executables. Generally speaking, you need a tamper-resistant hardware module that validates the bootloader (e.g. a TPM chip). To protect yourself from hardware backdoors you need something like the Intel Trusted Execution Technology. Basically, all your ...


Not really, or at least it is very hard. Recently a research paper on Stealthy Dopant-Level Hardware Trojans was published which shows how to include a Trojan into hardware that is so hard to detect that even if we optically compared the chip to a non-tampered unit we wouldn't find it. Read the abstract of the paper for an overview and if you want to know ...

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