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?
Conduct regular security awareness training for operators
Install antivirus software on control devices
Enforce strong password policies for system accounts
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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What is network segmentation?
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Why are industrial control systems particularly vulnerable to cyber attacks?
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How does isolating a network segment reduce the risk of malware spread?