This timely book offers a solid understanding of the critical facets of homeland security, including threats, countermeasures, and privacy. Professionals find important discussions on how to overcome challenges in today's information systems and how to analyze emerging phenomena in large complex systems. The book offers detailed guidance on the model-based design of trustworthy health information systems. Moreover, practitioners get an in-depth overview of the detection, identification, and track of dangerous materials. This comprehensive resource also explores urban defence using mobile sensor platforms, focusing on both surveillance and protection. Supported with nearly 100 illustrations, Homeland Security Facets includes detailed case studies and real-world examples.