Industrial Control Systems Security - Best Practices: Investigating best practices for securing industrial control systems (ICS) and supervisory control and data acquisition (SCADA) systems from cyber threats
Keywords:
Industrial Control Systems, SCADAAbstract
Industrial Control Systems (ICS) and Supervisory Control and Data Acquisition (SCADA) systems are critical components of modern industrial infrastructure, controlling processes in sectors such as energy, water, transportation, and manufacturing. However, these systems are increasingly targeted by cyber threats, posing risks to operational safety, reliability, and confidentiality. This paper investigates best practices for securing ICS and SCADA systems, focusing on preventive, detective, and corrective measures to mitigate cyber risks. We analyze key security challenges, such as legacy system vulnerabilities, insider threats, and the convergence of IT and OT networks, and propose a comprehensive security framework based on industry standards and guidelines. The framework includes strategies for risk assessment, network segmentation, access control, incident response, and security awareness training. Case studies and real-world examples illustrate the application of these best practices, highlighting the importance of a proactive and layered approach to ICS security. By implementing these recommendations, organizations can enhance the resilience of their industrial control systems against cyber threats.
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