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A very strong argument exists that we need to be building vulnerability models so that we can at least know where the weakest points in an operational community (of individuals) lie. By identifying the weakest points, we can overcome them with strategies well in advance of a major incident. This does not mean that we can eradicate vulnerability completely from our communities, but we can minimize the level of exposure - both to anticipated and unanticipated threats. Technology is a double edged sword - on the one hand it offers advanced, efficient, and economical services, but on the other it exposes us to both technological and also ethical risks. Therefore a crucial role exists for engineering ethics and social responsibility in higher education curricula. Additionally, we need better mechanisms with which to comprehend the full dimensions of risk and exposure - and a desire to move towards a future that offers real (individual) people both security and service. This special section addresses some of these issues, including fundamental definitions of technique vs. technology, complex systems of systems, and planning for future technologies and policy repercussions well in advance.