Critical Infrastructure Systems (CIS) within the United States are crucial to national defense, economic stability, and public safety. Protection of these assets against attack is a major concern [1] and dictates that innovative approaches be developed for identification and mitigation of their vulnerabilities. Establishment of effective and viable vulnerability assessment techniques for CIS ha...

This paper reports on further research undertaken regarding systems modelling as applied to critical infrastructure systems and networks and builds upon the initial modelling research of Pye and Warren (2006a). We discuss system characteristics, inter-relationships, dynamics and modelling of similar systems and why modelling of a critical infrastructure is important. In overview we compare four...

India is one of 14 countries where leprosy is still endemic. It contributes 65% of the world’s total cases. Since the disease carried intense social stigma and was linked closely with poverty, the Indian government thought it prudent to hand over responsibility for its control to a separate staff with exclusive facilities. This approach gave a tremendous boost to the program. However, the lates...