China is exploring a space-based control system for its high-speed rail network, aiming to improve safety and reliability. This consideration stems from the 2011 Wenzhou train collision, caused by a trackside circuit failure following a lightning strike, which led to a fatal miscommunication between trains and the control center. The proposed system would utilize satellites to oversee train operations, potentially eliminating single points of failure on the ground. However, experts are raising concerns about the potential for hacking and the security implications of relying on space-based infrastructure for critical transportation control. The vulnerability of such a system to cyberattacks could have catastrophic consequences, mirroring the risks associated with other critical infrastructure reliant on satellite technology. The move reflects China’s ambition to modernize its railway network but necessitates robust cybersecurity measures. Further details regarding implementation and security protocols remain undisclosed.