3. Additional problems and critical infrastructure issues

At the end of the 1990s and beginning of the 2000s, the issue of urban risks was reconfigured and made more complex by the observation, at both French and international level, of significant developments at three different levels: the emergence of new forms of terrorism, the growing interconnectivity of technical networks with its possible "domino" effects in the event of malfunctions, and the consequences of the trend towards general deregulation (privatization) of technical networks.