Служба безпеки України як суб’єкт захисту державного суверенітету та територіальної цілісності: правова основа діяльності

The scientific article is intended to study of the Security Service of Ukraine as a subject of national security and territorial integrity, it`s legal basis of activity. At the beginning of the study, defined the terms of national security and territorial integrity, the fixing of the corresponding terms in Constitution of Ukraine and Declarations on State Sovereignty of Ukraine. The common and distinctive features of the concepts were analyzed. Further, the article examines the main subjects of protection of state sovereignty and territorial integrity, defines their scientific classifications and in accordance with the current normative legal acts of Ukraine. The characteristic of the President of Ukraine as a subject of protection of state sovereignty and territorial integrity is indicate. The legal position of the Security Service of Ukraine as a special purpose body tasked with ensuring national security is analyzed. It was determined that the Anti-Terrorist Center operates under the Security Service of Ukraine, the main purpose of which is the fight against terrorism. The norms of the Constitution of Ukraine, the Laws of Ukraine “On the Security Service of Ukraine”, “On National Security of Ukraine” were analyzed. Separately mentioned the provisions of other regulatory legal acts, namely: “On operational and investigative activities”, the Criminal Code and the Criminal Procedure Code, etc. It is determined that the organization of the work of the Security Service of Ukraine depends on the administrative and legal regime. Separately, the provisions of other regulatory legal acts are mentioned, namely: “On operational and investigative activities”, the Criminal Code and the Criminal Procedure Code, etc. It is determined that the organization of the work of the Security Service of Ukraine depends on the administrative and legal regime. In accordance with the events in Ukraine in 2014 (annexation of the Autonomous Republic of Crimea, parts of the territories of Donetsk and Luhansk regions) and the subsequent full-scale invasion of the Russian Federation on February 24, 2022, the activity of the Security Service of Ukraine was analyzed in accordance with the Law of Ukraine «On the Legal Regime of Martial Law». It is proposed to clearly consolidate the powers of the Security Service of Ukraine in the sphere of protection of state sovereignty and territorial integrity in a single legal act.