Why Trump aides left their phones behind before entering China

 During President Trump’s visit to China, American officials and CEOs implemented a ‘digital lockdown,’ using ‘clean’ devices and leaving personal electronics behind. This precaution stems from a long-standing US government assumption that all devices and networks in China are potentially compromised and subject to surveillance. During President Trump’s visit to China, American officials and CEOs implemented a ‘digital lockdown,’ using ‘clean’ devices and leaving personal electronics behind. This precaution stems from a long-standing US government assumption that all devices and networks in China are potentially compromised and subject to surveillance.