Economic security is the most important component of national security, the importance of which is key in protecting the interests of society and the state. Economic security, depending on economic, social, political, military, scientific and technical and other factors, characterizes the degree of effectiveness of state security. It is particularly relevant to study the security of the foreign economy as a continuous development and effective cooperation of Armenia's bilateral and multilateral relations with all states and organizations. The purpose of the article is to study the security and unpredictable changes that, along with the existing threats, create new challenges for Armenia. The objective of the research was to study the security issues of the foreign economy, international documents related to economic cooperation and mutual security, and to identify the means of ensuring the security of foreign economic relations. In the framework of the article, using logical, analytical, systemic-structural, interpretive methods, the problems related to the security of the foreign economy were studied and the measures to ensure the security of the foreign economic relations were proposed. As a result of studies and analyses, it is recommended to ensure organizationally the practical implementation of the provisions laid down by the regulatory legal acts and to differentiate the rules related to different types and forms of foreign economic activity. As a result of the analysis, the following scientific novelty was obtained: the mandatory component of the long-term national security strategy in the field of ensuring external economic security is the regulatory framework, but the multidimensional nature of economic security issues determines their interdisciplinary nature. The obtained results can be useful to the managers of the sector, researchers interested in the sector and civil society to form correct ideas about the provision of economic security, to review their actions related to the sector.