The Critical Infrastructure is a set of systems, networks, and assets that are essential for a society's functioning and for ensuring the security, safety, and economy of a nation. Various examples can be provided, including agriculture, water supply, public health, transportation, security services, electricity generation, telecommunication, and financial services. These complex Critical Infrastructure Systems (CIS) usually integrate a substantial and variant number of systems and system elements. A disruption of CIS can have serious cascading consequences at a national level that would stop society from functioning properly and result in loss of life. Malicious software (a.k.a., malware), for example, can disrupt the distribution of electricity across a region, which in turn can lead to the forced shutdown of communication, health, and finance sectors. Proper engineering and management are important to anticipate possible risks and threats and provide resilient CIS. Although the problem of CIS has been broadly acknowledged and discussed, to date, no unifying theory nor systematic design methods, techniques and tools exist for such CIS. One reason for this is that a CIS has inherently an inter-disciplinary nature that requires distinct modelling techniques related to different disciplines to be employed while simultaneously enabling communication between all specialties. Yet, common background knowledge is needed. With the increased digitalization, traditional CISs are now changing to software-intensive CIS, which add to the existing logistical and security challenges. It can be observed that the current management and engineering approaches do not always scale with the complex, dynamic, and open characteristics of CIS. Management and Engineering of Critical Infrastructures focuses on two important aspects of CIS including management and engineering. The book provides an ontological foundation for the models and methods for designing and managing CIS. It also considers applications of the state-of-the-practice of CIS management and engineering approaches. Hence, the aim is to showcase the current best practices and advance state-of-the-art knowledge in this domain. Presents key problems, solution approaches, and tools developed or necessary for assessing and managing critical infrastructures Investigates basic theory and foundations of current research topics, related challenges, and future research directions for CIS Offers an interdisciplinary approach, considering management, engineering and the specific challenges (dynamism and scalability) surrounding the digitization of CIS services