The purpose of this article is to fulfil a comparative study of national security legislation, as well as the formation of conceptual foundation for its development and the elaboration of proposals for the improvement thereof with regard to Ukraine. The article analyses in comparative aspect the practice of the Republic of Lithuania as one of the European countries. In the context of globalization, the research focuses on international legal systems of both international and regional levels. The comparative legal analysis of the legal measures to maintain national security revealed similarities in theoretical and methodological approaches. In the study, the author’s definition of national security is given; and a typological model of the concept of national security is formed.
Postmodernity as a concept of contemporary society together with technological progress and globalization caused changes in orientation of values as well as the transformation of individual and collective identity. Thus, increased vulnerability, both of individuals and society, caused the character of threats to national security. The aim of the article is to analyze the contemporary threats to national security as a phenomenon of a postmodern society, emphasizing the crisis of values as well as of the identity. Postmodern threats forced to revise traditional point of view on the concept of national security and demands to be based on comprehensive approach on the issues of security and defense. This article is an attempt to make an analysis on the topic of national security in an interdisciplinary context. After analyzing the actual threats to the security of the Republic of Lithuania, it was determined that the interaction of many of these threats with the crisis of values is evident. This allows to confirm the importance of further discussions and scientific research on the issues of values and identity in context of national security in postmodern society.