1. If the weights somehow are obtained by a foreign power, you can't do anything, just like every other technology ever. 2. If it turns into a malicious agent

1. If the weights somehow are obtained by a foreign power, you can't do anything, just like every other technology ever. 2. If it turns into a malicious agent you just hit the "off switch", or, more likely just stop the software, like you turn off your word processor.