Security Posture ICSSCADA Practice Questions (Page 2)

Questions 6–10

1. 6expert · hard

   A petrochemical plant has a security posture that is heavily dependent on a single firewall vendor. The plant's security team is concerned about the risk of a zero-day vulnerability in that firewall. The team is considering several actions to improve the posture. Which action would BEST reduce the risk of a single point of failure?

   • AImplement a backup firewall configuration in case the primary fails
   • BSubscribe to the firewall vendor's threat intelligence feed
   • CIncrease the frequency of firewall rule reviews
   • DPurchase a second firewall from a different vendor and place it in series with the existing one
   Reveal Solution Discussion Select an answer first
2. 7expert · hard

   A water treatment plant has a security posture assessment that includes both technical and non-technical findings. The plant manager wants to understand the overall posture but is confused by the volume of data. Which approach is most effective for communicating the posture?

   • ASummarize the findings into a risk score or maturity level based on the assessment framework.
   • BFocus only on the technical findings and ignore the non-technical ones.
   • CProvide the full technical report to the plant manager for review.
   • DWait until all findings are resolved before communicating the posture.
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   Why is understanding the security posture important for an ICS/SCADA organization?

   • AIt provides a baseline for identifying weaknesses and prioritizing security investments.
   • BIt eliminates the need for ongoing monitoring and incident response planning.
   • CIt guarantees that no cyber attack will ever succeed against the ICS/SCADA environment.
   • DIt is required by law for all ICS/SCADA operators, regardless of industry.
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   Why is continuous monitoring important for maintaining a strong security posture in an ICS/SCADA environment?

   • AIt reduces the need for employee security training.
   • BIt helps detect new threats and changes in the environment that could affect security.
   • CIt eliminates the need for regular security assessments.
   • DIt guarantees that all security incidents are prevented before they occur.
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6. 10application · medium

   A food processing company has a flat OT network with no segmentation between the packaging line and the quality control lab. The company wants to improve its security posture without disrupting production. Which approach is the MOST practical first step?

   • ADisconnect the quality control lab from the network until a full redesign is completed
   • BReplace all legacy PLCs with modern ones that support encryption
   • CImplement VLAN segmentation between the packaging line and the quality control lab
   • DInstall a firewall between every device and the network
   Reveal Solution Discussion Select an answer first