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Abdulmajeed A. AlAbdulhadi

SCADA Application & Data Support Unit Supervisor, SBAD, Saudi Aramco

Abdulmajeed A. Al-Abdulhadi is a SCADA Specialist with Saudi Aramco’s IT/SBAD/Real-Time Systems Division. Abdulmajeed graduated from King Fahd University of Petroleum & Minerals in 1995 with a B.S. degree in Computer Science, and joined Saudi Aramco in 1996 as a LAN Administrator. The Corporate MS Exchange and Dial-Up Access projects are the first projects he participated in. He was the software engineer for the giant video data wall project installed in the Operation Coordination Center (OCC) in Dhahran. His last project was the upgrade to OSPAS and POD SCADA Systems at OCC, which was launched in Feb. 2013. Throughout his career he participated in cutting-edge projects that added value to several Saudi Aramco operations.

Secure Bi-directional Data Link between Plants Network and Business Network (Data Tube)

Industrial Control System Cyber Security

Abstract: Cyber security is a major concern for companies. Industrial systems DCS and SCADA used to be completely isolated and therefore its security was controlled and safeguarded. The information from these systems used to be limited to monitor and control. With time, these systems evolved and historization functionality added as an integral part of these systems to further support operations. Historization data can be used to analyze failures and project future operational trends. With more diverse operations, management is also became interested in the information provided by these systems, and hence connectivity to the business network evolved. With this connectivity demand, cyber security becomes a major issue as companies work to secure their control systems. The secure bi-directional concept provides one solution. The concept provides a secure data transfer technique between the business and plant networks. The concept relies on transferring only the data between the two different networks, by only handing the data from protocols capable of carrying executable code, to a protocol that is only capable of carrying data. This concept overcomes the current dilemma of current data transfer mechanisms, which are completely based on protocols that have the capability of transferring executable code along with the data, while the main objective from the connectivity is to only transfer the data. Based on this concept, malicious code and malware will fail to propagate from the business to the plant network. By this concept, we can easily and securely transfer data from the business to the plant network and vice versa. The concept can be built using standard tools and software that can be easily integrated in an appliance to form a complete solution. This paper will provide a detailed design of the concept to prove the secure connectivity proposed using this concept, which is not limited to the hardware/software mentioned for illustration purposes.

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