The infrastructures of large cities in the industrialized world are already becoming very difficult to manage. Technological trends in the coming decades will likely move towards a centralized management system to coordinate a city’s energy consumption, traffic and data networks. This way traffic - for example - could automatically be diverted in the even of an accident and medical assistance immediately be called onto the scene. As practical as this model may seem, it’s not without potentially serious pitfalls. These highly sensible data systems could become a tempting target for hackers and terrorists. For this reason the development of networked city models is going hand in hand with that of data security. Even with that, the experts agree that data systems will never be absolutely secure – not even in 50 years.