The influence of the 'revolution of dignity', the annexation of Crimea and the war in Donbass on transformations in the Ukrainian national security system

The article presents changes in the institutional system of national security of Ukraine, resulting from the „revolution of dignity”, the annexation of Crimea and the war in Donbass. The subject of the analysis was the concept of national security system in science and Ukrainian strategic documents, transformation of the militia into the National Police of Ukraine, establishment of the National Guard of Ukraine and volunteer battalions, and institutionalization of the fight against corruption.