A year ago the world witnessed the swift advances of the Islamic State of Iraq and al-Sham (ISIS) in Iraq and Syria. Though the emergence of the group was somewhat expected for those who have been following the regional developments of the past years it caught most of the world by surprise. At the same time, its brutal tactics, military victories, resilience, evolution and extreme ideology have led many to characterize it as the greatest regional and international security threat at the moment or the most dangerous Islamist threat contemporary history has seen.