Western world that wants to see Latvia as an independent, democratic, and legitimate country also in the future – a country that is ready to protect itself during critical situations. The capacity and ability of the borders of the country, national safety authorities, law enforcement agencies, as well as the State Border Guard regarding reaction in case of threats are very significant aspects that contribute to both the internal and external dimension of the national security of the Republic of Latvia. The basis for the national security policy of the Republic of Latvia must be a unified understanding between the decision makers and society in regard to the stability and security of internal policy that is closely connected to the international security situation. The stronger the internal policy of the Republic of Latvia is, the more effective it will be when reacting and reducing vulnerability caused by external factors. Being a member of the North Atlantic Treaty Organisation (hereinafter – NATO) and European Union (hereinafter – EU) is an important basic element of the national security of the Republic of Latvia. The decisions made in the 2014 Wales Summit regarding the measures of strengthening the collective defence capabilities of NATO and improvement of reaction and defence capabilities of the member states help to ensure the strength of this basic element. At the same time, it must be understood that being a member of NATO does not solve all issues regarding the national security of the Republic of Latvia and does not provide defence against several significant threats that arise from the vulnerability of the internal policy of the Republic of Latvia. EU work in the security and defence field has a supplementary role to the collective defence measures of NATO. As the so-called hybrid threat is growing, the more attention must be directed towards strengthening fields that are not within the competencies of the Common Security and Defence Policy, for example, border security, security of information and cyberspace, energy security, etc. Latvia has to favour further involvement of other international organisations, such as the United Nations Organisation, Organisation for Security and Cooperation in Europe, and Council of Europe, in stabilisation of the international security situation by searching for solutions to the crisis in Ukraine, increasing its stability, territorial integrity, as well as developing democracy and European values. The national security policy is a set of measures directed towards detection, prevention, and