A vendor walks past screens depicting facial deep fake technologies depicting former U.S. President Donald Trump at the Security China 2023 expo in Beijing, on June 7, 2023. After years of breakneck growth, China's security and surveillance industry is now focused on shoring up its vulnerabilities to the United States and other outside actors, worried about risks posed by hackers, advances in artificial intelligence and pressure from rival governments. The renewed emphasis on self-reliance, combating fraud and hardening systems against hacking was on display at the recent Security China exhibition in Beijing. Photo: Associated Press/AP Photo/Ng Han Guan