Özet:
Cyber attacks launched by individuals and/or supported by nation states have increased due to the prevalence of information technologies at critical infrastructure of the states. In this chapter, such attacks and consecutive impacts are visited. In connection with this issue, evolution of cyber threats from annoying malware to serious weapons is studied by examples; hence, precautions against such threats are visited and usage of anti-malware applications as prevalent precautions is assessed within the scope. Selected information security standards and strategies of selected states and precautions for cyber security of Turkey are studied. Our findings underline that educated citizens and companies along with public institutions should cooperate to provide a nationwide cyber security. Consequently, it is defended that governments should play an affective role to protect, educate, and guide governmental and private companies and citizens on the cyber security by promoting the cyber security topic in the successive national development plans.