Cyber defense: Art to science

Different means to detect, defend and understand attacks on networked computer resources are discussed. Cyber defense refers to an active process of dependably making critical function safe from attack. Cyber strategies and tactics is knowledge of constitutes a good decision in terms of initial defensive policies and configurations and changes needed during operations because of attack situations. Sound national cyber defense policy depends on undertstanding the problem, its solutions and the nature of cyber conflicts from economic, behavioral and political perspectives.