One way to to be certain is to not travel or do business with any Chinese company. In this case, Huawei was selling us technology to Iran so it became a target.

One way to to be certain is to not travel or do business with any Chinese company. In this case, Huawei was selling us technology to Iran so it became a target. Whenever you get in the cross-hairs of any country and you travel abroad, there is a non-zero risk of you being extradited.