5G technologies are reshaping the way users experience the digital sphere and, thus, their daily lives. 5G is one of the game changers that would further enable cyberspace’s potentialities for our societies, economies, and lifestyle. Yet, there are multiple and contrasting geopolitical interests and security concerns regarding 5G adoptions and implementations. The current confrontation between Chinese companies and some Western governments is emblematic. What are the political and securitarian implications of such technological disputes? How are states dealing with the security of 5G technologies?