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SCADA (supervisory control and data acquisition) SCADA refers to the combination of telemetry and data acquisition. SCADA system has been used for remote measurement and control on the critical infrastructures as well as modern industrial facilities. Electric power system is a representative system using SCADA network for its communication. Integration between many networks and increasing threatens of terrorism have made the potential risk by cyber attacks real and bigger in power system. Recently, many researching efforts have been made on SCADA network for improving its security. In general aspect, there are already several ways to secure the system like encryption, firewall, authentication, etc. In this paper, we focus on symmetric encryption method and propose the proper key distribution method to reflect the unique characteristics of SCADA network communication.
Future Generation Communication and Networking (FGCN 2007) (Volume:2 )
Date of Conference: 6-8 Dec. 2007