Security Hardened Remote Terminal Units for SCADA Networks

Security Hardened Remote Terminal Units for SCADA Networks

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Remote terminal units (RTUs) are perimeter supervisory control and data acquisition (SCADA) devices that measure and control actual physical devices. Cyber security was largely ignored in SCADA for many years, and the cyber security issues that now face SCADA and DCS, specifically RTU security, are investigated in this research. This dissertation presents a new role based access control model designed specifically for RTUs and process control. The model is developed around the process control specific data element called a point, and point operations. The model includes: assignment constraints that limit the RTU operations that a specific role can be assigned and activation constraints that allow a security administrator to specify conditions when specific RTU roles or RTU permissions cannot be used.HMIs range in complexity from a physical panel with buttons and lights to an industrial PC with color graphics running HMI software. Independent Application Development Kit (IADK) - A set of tools and libraries from SIXNET for customanbsp;...

Title:Security Hardened Remote Terminal Units for SCADA Networks
Author:Jeffrey Lloyd Hieb
Publisher:ProQuest - 2008


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