> For example, why place a detectable piece of hardware onto the MoBo, instead of just installing malicious firmware? Because the supply-chain may be verifying

> For example, why place a detectable piece of hardware onto the MoBo, instead of just installing malicious firmware? Because the supply-chain may be verifying the integrity of the firmware? Firmware is "detectable" too. It's detection is probably easier because so much of computing is software focused nowadays. Hardware implants have certain advantages: no one may be looking for them and they're extremely resistant to removal attempts.