An organization relies on specialized industrial control systems to manage its critical operations. Which of the following is the BEST practice to enhance the security of these systems against cyber attacks?
Enforce strong password policies for system accounts
Install antivirus software on control devices
Conduct regular security awareness training for operators
Isolate the industrial control systems on a separate network segment
Isolating industrial control systems on a separate network segment is the best practice to protect them from cyber threats. Network segmentation limits exposure by separating sensitive systems from other networks, reducing the risk of unauthorized access and malware spread. While enforcing strong password policies, installing antivirus software on control devices, and conducting regular security training are beneficial, they do not provide the same level of protection against network-based attacks as network isolation does.
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Why is network segmentation important for industrial control systems?
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How does isolating control systems reduce the risk of unauthorized access?
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What additional security measures can complement network segmentation?