Lack of compatibility of security architectural components with legacy protocols and system.No deep inspection of packets moving from field device to field device or control server.Firewall is not incorporated in the network architecture.Complex legacy technology and high attack consequences lead to a high cyber security risk for most industrial networks. It could be any reason for such incidents to happen. Legacy water pump installed over the plant 15 years back, were obviously not designed to address modern cyber security attacks. The root cause of this intense new risk relates to the complexity of ICS legacy system that was never originally designed to stop cyber-attacks. The introduction of TCP/IP to industrial networks, create new possibilities for better connectivity and also provide rich opportunities to adversaries to exploit the vulnerabilities. At a later stage, TCP/IP protocol is introduced to industry networks which connect the industrial network to an external network. Most of the time only proprietary protocol and solutions are used for the industry network. They were physically isolated from the outside networks. Most of the network devices used in the industrial network are designed to meet functional requirement, safety, reliability and real time response. It protects the industries against loss or damage. Industrial cyber security refers to the protection of internal components and systems from internal and external malicious attacks to maintain the Availability, Integrity, and Confidentiality. Nowadays, Cyber security is a vital part of the process and infrastructure industry operations. Written by Amandeep Yashpal, Product Specialist – Cyber Security & Networks – UAEĬyber security is a vital part of the process and infrastructure industry operations
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