This bookpresents recent research in the recognition of vulnerabilities of nationalsystems and assets which gained special attention for the CriticalInfrastructures in the last two decades. The book concentrates on R&Dactivities in the relation of Critical Infrastructures focusing on enhancingthe performance of services as well as the level of security. The objectives ofthe book are based on a project entitled "Critical InfrastructureProtection Researches" (TAMOP-4.2.1.B-11/2/KMR-2011-0001) whichconcentrated on innovative UAV solutions, robotics, cybersecurity, surfaceengineering, and mechatornics and technologies providing safe operations ofessential assets. This report is summarizing the methodologies and effortstaken to fulfill the goals defined. The project has been performed by theconsortium of the Obuda University and the National University of PublicService.