The increasing threat of terrorism brings a challange to the regional security, including for the Europe. The emergence of jihadist terrorist groups such as Al-Qaeda and IS (Islamic States) has successfully brought a new phenomenon of lone-wolf actors come into surface, through the use of internet as their platform to deliver the propaganda in purpose of creating people turned to be radical and committing terrorist offences in their country. The European Union is not only facing the threat coming from lone-wolf actors' issue, but also from the phenomenon of foreign terrorist fighters (FTFs) which is heavily influenced by the fragility of the European Union's surrounding states. Seeing the menace posed by terrorism, the European Union comes with its counter-terrorism policies which lies on four main pillars, such as: prevent, protect, pursue, and respond. The European Union also brin their Added-values strategy in order to support the implementation of its counter-terrorism policies, it is covering the European Union's effort to "strengthen the national capabilities, facilitate European cooperation, develop collective capability, and promote international partnership". This paper aims to analyze the way EU strategically manage its counter-terrorism policy in responding the growing threat of terrorism. The analysis also supported by liberal institutionalism theory in explaining the behavior of the European Union which tends to develop the cooperation ties in internal and external areas within their policies implementation.