Millions of Americans depend on medical devices — pacemakers, infusion pumps and patient monitors — to stay alive. But some of that equipment is made in China and it may be spying on us – or worse. In January 2025, the Food and Drug Administration and the Cybersecurity and Infrastructure Security Agency issued a stark joint warning: patient monitors made by Contec Medical Systems, a Chinese company based in Qinhuangdao, contain a hidden backdoor. These devices, used in hospitals across the United States, can transmit sensitive patient data to a hard-coded IP address in China. Even more troubling, the backdoor...