2014 Volume 5 Issue 5 Pages 15-33
The act which destroys the information network which connects the whole world is called a Cyber assault. The cyber assault to an information network may bring serious influence to people’s life, and cyber security has become one of the important issues on the security for each country. When a vulnerable network receives an attack and people’s computer systems receive a damage via a network, it causes that the influence attains to the social wide range. To such a cyber assault and a risk, this paper considers about those subjects whether kyosei networked society is built.