> if China decided to launch an action against Taiwan, it would destroy the latter's cellular network, cut all the fiber all the island, etc, and at that point

> if China decided to launch an action against Taiwan, it would destroy the latter's cellular network, cut all the fiber all the island, etc, and at that point no command is going to reach the machine Many good arguments against this have already been made, but I will point out one more: Taiwan has many of their people overseas, working in IT roles. The killswitch could be activated from another place in the world. I'd slip the code into a DNS server.