Engineering and Cybersecurity Hongyi Wu, PhD

Transcript:Engineering and Cybersecurity Hongyi Wu, PhD:
Engineering and Cybersecurity Hongyi Wu, PhD Director, Center for Cybersecurity Education and Research Old Dominion University Norfolk, VA Engineering and Cybersecurity After completing this module, students will be able to: Discuss the impact of cyber technology on engineering systems Identify common vulnerabilities in engineering cyber systems Discuss the impact of cyber attacks on engineering systems Describe fundamental design principles for securing engineering cyber systems cyber technologies in engineering systems Industrial Cyber Systems Industry 4.0: a rapid transformation of industry the virtual world of information technology, the physical world of machines, and the Internet have become one Benefits Improved machine intelligence More automated processes and real-time self-monitoring Optimized performance and improved flexibility and speed Enabling more individualized products Efficient and scalable production SCADA vs. DCS Supervisory control and data acquisition (SCADA) System: a system of software and hardware elements that allows industrial organizations to: Monitor, collect, process and log data in real-time Control industrial processes at local or remote sites Interact with sensors and actuators through human-machine interface (HMI) https://youtu.be/QvdUnFzTcnY DCS ("Distributed Control Systems”): providing sophisticated analog (e.g. loop) control capability https://electrical-engineering-portal.com/scada-dcs-plc-rtu-smart-instrument SCADA and DCS started As separate systems but have grown together Elements of SCADA Sensors Types of sensors: Pressure sensors, differential pressure sensors Water level sensors, depth sensors, flow meters Temperature sensors Light sensors Humidity sensors Wind speed sensors Sand sensors Distance sensors Actuators Types of actuators: Valves Pumps Motors Air compressors and blowers; Mixers Other machinery Types of alarms: Good alarms Critical failure alarms RTU RTU – “Remote Terminal Unit” or “Remote Telemetry Units” A standalone data acquisition and control unit An electronic device with intelligent microprocessor Request the field devices (e.g., sensors) for information Control intelligent electronic device (IEDs) Data/event logging and alarm handling Individual RTU expandability: typically up to 200 analog and digital points PLC PLC – Programmable Logic Controller Industrial digital computer that replaced traditional relays Used to implement SCADA RTU Control manufacturing processes: assembly lines, smart devices Ease of programming and fault diagnosis Communication compatibilities Takes actions based on inputs https://youtu.be/qeBAz_XXUWs https://youtu.be/4EQtCSrKjLs PLC References PLC Training Simulator http://www.thelearningpit.com/plc/psim/psim.html i-TRiLOGI http://www.triplc.com/trilogi.htm EasyPLC http://www.nirtec.com/ Ref: http://www.rtaautomation.com/iec61131-3/ http://www.dogwoodvalleypress.com/uploads/excerpts/03192005214421.pdf Communication Communication systems Switched Telephone Network Wireless LAN Cellular Network Leased lines Private Network (LAN/RS-485) Internet Wireless Communication systems Radio modems Front End Processor SCADA server SCADA server Data logging Analyzing data Real-time decision maker Asks RTU for information Historical/Safety/Redundant Server Logs the data from the SCADA server and