With the revolution in information technology in the 21st century and the emergence of new media, the concept of security has undergone tremendous changes and the effective components have also changed, and the power of governments has also faced a new challenge. The purpose of this research is to investigate the effects of cyberspace on the national security of the Islamic Republic of Iran in various fields, especially the political-security fields.Also, discovering the weaknesses or shortcomings in the field of cyber security with regard to the threats in the cyberspace is one of the other goals of the current research, which wants to answer the basic question of how cyber threats affect the security of the Islamic Republic of Iran in an analytical-descriptive method. The findings of the research indicate that the Islamic Republic of Iran is one of the most important target countries for cyber attacks in various fields, and in this regard, acceleration in equipping infrastructures and investing in the field of dealing with cyber threats is one of Iran's strategic approaches in this regard. It is considered to be an area that is analyzed in more dimensions in this research.