“The South Korean government has decided to route sensitive data away from networks operated by Huawei, amid longstanding fears from the US that the Chinese company’s infrastructure could be used to spy on communications. As the Wall Street Journal reports, the US had been urging its South Korean allies to route government communications away from Huawei networks, claiming that the infrastructure could be used to spy on communications with American military bases there. As a result, Huawei equipment will not be used at any American military base in South Korea.”
Source:US fears of Chinese spying pressure South Korea into rerouting data | The Verge