1. Copyright (c) 2008, All Rights Reserved. Iowa State University G. Manimaran & Chen-Ching LiuCPS-Energy Workshop-2009Page  1 SCADA control network

2. Copyright (c) 2008, All Rights Reserved. Iowa State UniversityPage  2 Cyber-Security Threats to Power Grid Internet-Based Attacks Protocol Attacks Intrusions Worms / Trojan Horse / Spyware Routing Attacks Denial of Service (DoS)

3. Copyright (c) 2008, All Rights Reserved. Iowa State UniversityPage  3 SCADA Network – Denial of service attack (model) Schematic of SCADA System Control Model of SCADA System Latency increase impact the real-time operation of the system

4. Copyright (c) 2008, All Rights Reserved. Iowa State University G. Manimaran & Chen-Ching LiuCPS-Energy Workshop-2009Page  4 Cyber-Physical Risk Modeling & Mitigation Framework Anomaly Detection Real-Time MonitoringResponses Impact Analysis

5. Copyright (c) 2008, All Rights Reserved. Iowa State UniversityPage  5 Research Challenges Real-time temporal and spatial correlations from substation level and control center networks Comprehensive validation using analytical and simulation, and test bed evaluations for directed and intelligent attacks Integrated modeling of attacks and their impacts in terms of load loss, equipment damage, and economic loss Relevant information from geographically dispersed substation network about potential suspicious activities, intrusions, in terms of severity A Comprehensive vulnerability assessment framework includes