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To which TPM backdoors are you referring?

I am aware that similar accusations are leveled against Intel ME and AMD's Platform Security Processor.

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Yeah. Obviously we can't know officially for decades but there's still some signals. One is the HAP flag (1, solid) to turn off IME, which has had at least one pubic vuln. Are they merely reducing their attack surface? Why can only they buy CPUs without IME (2, rumor)? Etc.

https://www.csoonline.com/article/562761/researchers-say-now...

https://www.franksworld.com/2025/09/18/the-intel-backdoor-no...

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