In this article are analyzed the aspects of the security concept from different point of view of some authors. In the last time it was changed the global situation regarding the concept of security. Many authors consider that the term of security is something abstract. If we analyze this term we will see that the security represent the protection of any danger, feelings of trust and safety of all people and of the nation in hole. These are in safe if they don’t need to sacrifice any values to avoid the war. To achieve this goal the states have to focus on cooperation in different field as cultural, energetic, social, economic, political and environmental.