Needless to say that backdoor on machine used to deal with crypto is the last thing every bitcoiner wants. It is enough to make one cry when he/she gets such shit out of box.
Just fresh (not far as May 31, 2023) case: millions of motherboard sold by well known maker such as Gigabyte have backdoor in firmware .
Full list of effected Gigabyte models
can be found here.
Researches from Eclypsium Labs who first found backdor in Gigabyte firmware have released script that
"that can assist others in managing their Gigabyte backdoor mitigation plans.".
Infected machines are exposed to the wide
spetrum of risk.