This chapter analyses the quantitative and qualitative shift in border security in Europe, North America and Australia and suggests that the frontier as a fixed borderline has been replaced by mobile and speculative bioborders the human body and its virtual representative, the data subject. It argues that border 'performance' in contemporary borders resembles places of 'border games', where nobody can be sure about the outcome of one's move. Thus the border game reminds us more of Russian roulette than a duel. The chapter examines the multiplication of legal loopholes, the purpose of which is not to make the borders porous, obscure or even questionable but to make them disappear. It analyses how the expansionist security regime has put not only migrants, but even European Union (EU) citizens, under suspicion in the 'war against terrorism'. The chapter explores the border security tools such as profiling and risk analysis when we are waging war against terrorism.