The closest I would ever get to the NSA’s large-scale SIGINT operations was Operation Shotgiant. For years American officials blackballed Huawei of China—the world’s largest manufacturer of telecom equipment—from American business dealings. More recently, the United States has been on a crusade to pressure allies to ban Huawei’s equipment from new high-speed 5G wireless networks, citing suspected ties between the company and China’s Community Party.
