This paper surveys remarkable incidents that were related to the Homeland Security and Defense such as terrors, disasters and cyber-attacks and overviews the existing projects given by the department of Homeland Security and Defense of the US government. Through the overview, technological foundations in the projects are extracted and discussed. Additionally, this paper introduces a common framework, as an example, supporting the delivery service for RFID Tracking, Sensor Network, Video Surveillance and Image Screening, which are the major technological foundations in the Homeland Security and Defense. As providing an outline of the technological aspects of the Homeland Security and Defense, this paper is expected a reference for initiators of the related projects.