The Paris attacks of November 13, the deadliest terrorist attacks on European soil since the Madrid bombings on March 11, 2004, were the latest indication that the Islamic State has morphed from a regional to a global threat, a threat that could increase if the Islamic State decides to further “weaponize” its Western recruits. After the January 2015 attacks in France, several foiled plots provided evidence of planning and operational connections with Islamic State cadres or militants abroad. The complexity of the latest attacks and the level of planning and preparation required suggest Islamic State fighters are adapting to the law enforcement and security measures arrayed against them, which raises significant concerns and questions about the viability of the status quo in the European security paradigm.