The process of change in the international security environment has resulted in the need for adjustments in the current security policy of NATO. As the key to Alliance security are indicated blended threats, and Russia’s desire to strengthen its position in the international arena through a return to dominance in the former Soviet Union. NATO sees the need to take measures to combat the aggressive Russian policy. NATO Summit in Newport and in Warsaw shows that efforts are adequate to the immanent danger of security. As the challenges for NATO are indicated: maintaining the transatlantic link, growing in strength and importance of China, India, Brazil, decreasing importance of international security organizations and internal destabilization in the EU.