How China’s Cyber Threat Looms Over America

Chinese hackers have vastly increased their efforts in recent years, burrowing into systems at ports, pipelines, water facilities and elsewhere. WSJ reporter Dustin Volz joins host James Rundle to talk about what this means for national security, and how companies such as major telecom providers were hacked in the first place. Sign up for the WSJ's free Technology newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices