Research on critical infrastructures and critical information infrastructures

A research on current condition and problems of critical infrastructures and critical information infrastructures is described in this paper. This article includes issues, the discussion of problems and comments about each of the common Critical Infrastructures from and international, national, local and individual perspective. There are many threats to these infrastructures. And it remains a challenge to the society to deliver solutions to problems such as these. Also the situation in Korea on each sector of Critical Infrastructure is considered in the article.