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One of the major challenges at Berliner Wasserbetriebe (BWB) in Germany is to improve the resilience and the security of the water supply, taking into regard the close water cycle and the natural (no chemicals and no chlorine) treatment of the drinking water. Resilience is the capacity of a system to absorb and also adjust to a system failure and quickly recover from it by using effective resources to restore the normal situation. Resilience is a time dependent characteristic. Therefore, the main challenge is to overcome the abnormal situation quickly.
In order to improve the resilience of their supply system, BWB has tested some of the STOP-IT tools (Fault Tree Editor, Scenario Planner tool, Cyber-physical threats Stress-Testing Platform, Human Presence Detector using WiFi signals, Real-time sensor data protection, Network Traffic Sensors and Analysers and the Public Warning Notification System).