This paper is to assessed cyber security threats and the questions of national security in Nigeria. This was borne out of the growing cyber security threats such as kidnapping, calculated murder, theft, terrorism and other vices that has evolved in relation to the increasing use of internet solutions in the country. The paper argued that identifying the nature of cyber security threats and its effect on national security is crucial to identifying options for mitigating the cyber security threats facing the nation.
To this end, the methodology adopted for the collection, analysis and interpretation of relevant data was developed after review of the extant of literature. Specifically, the survey research design was adopted with an interview of 6 key informants from chosen security organisation using the convenience sampling method. After review of the qualitative data, the findings of the research support the conclusion that cyber security threats significantly affected national security. The same formed the basis for the recommendations of the paper.