This bookconstitutes revised selected papers from the 9th International Conference onCritical Information Infrastructures Security, CRITIS 2014, held in Limassol,Cyprus, in October 2014. security of water systems; powerand energy system security; security and recovery policies, cyber security; andsecurity tools and protocols.

Cyber-Physical Systems and Sensor Networks.- Fault Detection and Isolation in Critical Infrastructure Systems.- Critical Infrastructure in the Future City - Developing Secure and Resilient Cyber–Physical Systems.- Exploitation of HART Wired Signal Distinct Native Attribute (WS-DNA) Features to verify Field Device Identity and Infer Operating State.- Processing and Communications Rate Requirements in Sensor Networks for Physical Thread Assessment.- A Comprehensive Approach for Security Assessment in Transport.- Security of Water Systems.- Decentralised Hierarchical Multi-rate Control of Large-scale Drinking Water Networks.- dbpRisk: Disinfection By-Product Risk Estimation.- Gaussian-Process-based Demand Forecasting for Predictive Control of Drinking Water Networks.- Graph-Based Hydraulic Vulnerability Assessment of Water Distribution Networks.- Sensor Data Validation and Reconstruction in Water Networks: A Methodology and Software Implementation.- Critical Infrastructure Online Fault Detection: Application in Water Supply Systems.- Power and Energy System Security.- An Attack Analysis of Managed Pressure Drilling Systems on Oil Drilling Platforms.- The Effect of Branch Parameter Errors to Voltage Stability Indices.- CFD Simulation of Contaminant Transportation in High-Risk Buildings using CONTAM.- Detection and Management of Large Scale Disturbances in Power System.- Impact of Surface Nuclear Blast on the Transient Stability of the Power System.- Building an Integrated Metric for Quantifying the Resilience of Interdependent Infrastructure Systems.- Calculation of Cyber Security Index in the Problem of Power System State Estimation based on SCADA and WAMS Measurements.- Factors influencing Oscillations within Meshed HVDC Grids and Implications for DC Voltage Control.- Security and Recovery Policies.- Public-private Partnership: The Missing Factor in the Resilience Equation - The French Experience on CIIP.- Enterprise Security Analysis and Training Experience.- Using Programmable Data Networks to Detect Critical Infrastructure Challenges.- Security Stress: Evaluating ICT Robustness through a Monte Carlo Method.- Cyber Security.- Model-based Evaluation of the Resilience of Critical Infrastructures under Cyber Attacks.- The Role of One-Class Classification in Detecting Cyberattacks in Critical Infrastructures.- Cyber Attacks in Power Grid ICT Systems leading to Financial Disturbance.- Obfuscation of Critical Infrastructure Network Traffic using Fake Communication.- CyNetPhy: Towards Pervasive Defense-in-Depth for Smart Grid Security.- Faults and Cyber Attacks Detection in Critical Infrastructures.- Security Tools and Protocols.- Recovering Structural Controllability on Erdős–Rényi Graphs via Partial Control Structure Re-Use.- Self-healing Protocols for Infrastructural Networks.- PRoCeeD: Process State Prediction for CRITIS using Process Inherent Causal Data and Discrete Event Models.- Cascading Failures: Dynamic Model for CIP Purposes - Case of Random Independent Failures following Poisson Stochastic Process.- A Security Assessment Methodology for Critical Infrastructures.- Automatic Fault Identification in Sensor Networks Based on Probabilistic Modeling.- Improving Situational Awareness for First Responders.- A Decision Support System for Emergency Management of Critical Infrastructures subjected to Natural Hazards.- Progressive Recovery from Failure in Multi-layered Interdependent Network Using a New Model of Interdependency.- Model-based Security Risk Analysis for Networked Embedded Systems.