ISA 62443 IC33 4 Cyber Risk Assessment Exam || All Questions & Answers 100% Verified

ISA 62443 IC33 4 Cyber Risk Assessment Exam || All Questions & Answers 100% Verified ISA 62443 IC33 4 Cyber Risk Assessment Exam || All Questions & Answers 100% Verified Understanding Cybersecurity Risk - ANSWER-The process of comprehending cybersecurity risk involves determining realistic threats, identifying existing vulnerabilities and critical assets, understanding the potential consequences of compromise, and assessing the effectiveness of current safeguards. Developing a Plan to Address Unacceptable Risk - ANSWER-This involves evaluating existing countermeasures, recommending additional ones and changes to current policies, prioritizing recommendations based on relative risk, and assessing the balance between cost/complexity and effectiveness. Benefits of Cyber Risk Assessments - ANSWER-Helps determine priority plants/processes, understand threats and vulnerabilities, intelligently design and apply countermeasures to reduce risk, prioritize activities and resources, and evaluate countermeasures based on their effectiveness versus cost/complexity. Balancing Security and Cost - ANSWER-Perfect security is unaffordable. Thus, risk reduction is balanced against the cost of security measures intended to mitigate the risk. 4.2.3.1 Select a risk assessment methodology - ANSWER-The organization shall select a particular risk assessment and analysis approach and methodology that identifies and prioritizes risks based upon security threats, vulnerabilities and consequences related to their IACS assets. 4.2.3.2 Provide risk assessment background Information - ANSWER-The organization should provide participants in the risk assessment activity with appropriate information including methodology training, before beginning to identify the risks. 4.2.3.3 Conduct a high-level risk assessment - ANSWER-A high-level system risk assessment shall be performed to understand the financial and HS&E consequences in the event that availability, integrity, or confidentiality of the IACS is compromised. 4.2.3.4 Identify the industrial automation and control systems - ANSWER-The organization shall identify the various IACS, gather data about the devices to characterize the nature of the security risk, and group the devices into logically integrated systems. Risk Identification, Classification, and Assessment - ANSWER-A systematic process to identify and assess the severity of IACS cyber risks an organization faces. It involves prioritizing and analyzing potential threats, vulnerabilities, and consequences. The objective is to guide cybersecurity investments to lower risk. 4.2.3.5 Develop simple network diagrams