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| Section | Objectives |
|---|---|
| Topic 1: Addressing Risk with Selected Security Counter Measures | - Patch management - Firewalls and network security devices - Virtual Private Networks (VPNs) - Anti-virus and endpoint protection |
| Topic 2: Creating A Security Program | - Defining information security policy - Security management organization - Developing a long-term security program |
| Topic 3: How Cyberattacks Happen | - Cyber threats and attack vectors - Case studies of industrial cyber incidents - Vulnerabilities in industrial systems |
| Topic 4: Risk Analysis | - Cybersecurity risk assessment concepts - Risk and vulnerability analysis techniques - Risk management fundamentals |
| Topic 5: Addressing Risk with Security Policy, Organization, and Awareness | - Organizational security roles and responsibilities - Security policies and procedures - Security awareness and training |
| Topic 6: Monitoring and Improving the CSMS | - Continuous monitoring of IACS cybersecurity - Incident detection and response - Security lifecycle management |
| Topic 7: Validating or Verifying the Security of Systems | - Security validation and verification techniques - Continuous improvement of security measures - Auditing and compliance |
| Topic 8: Addressing Risk with Implementation Measures | - Defense-in-depth strategy - Zones and conduits model - Access control principles - Industrial network architecture and segmentation |
| Topic 9: Understanding the Current Industrial Security Environment | - Security challenges in OT environments - Convergence of IT and OT - Current state of industrial control systems security |
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NEW QUESTION # 215
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
A Process Hazard Analysis (PHA) is a systematic method of identifying and evaluating the potential hazards associated with an industrial process. A PHA can help to identify the sources of cyber threats, the consequences of cyber incidents, and the existing safeguards and mitigation measures. A PHA is most frequently used as an input to a security risk assessment because it provides a comprehensive and structured overview of the process and its risks, which can then be used to determine the security level targets and security countermeasures for the industrial automation and control system (IACS). A PHA can also help to align the security objectives with the safety objectives of the process, and to ensure that the security measures do not compromise the safety or operability of the process. References:
ISA/IEC 62443 Standards to Secure Your Industrial Control System, page 10 Using the ISA/IEC 62443 Standard to Secure Your Control System, page 17
NEW QUESTION # 216
Safety management staff are stakeholders of what security program development?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
Safety management staff are stakeholders of the CSMS, which stands for Cybersecurity Management System. The CSMS is a framework for managing the cybersecurity of industrial automation and control systems (IACS) based on the ISA/IEC 62443-2-1 standard1. The CSMS defines the objectives, policies, metrics, and governance for the overall ICS security program2. The CSMS also includes the processes for risk assessment, security design, implementation, monitoring, and improvement3. Safety management staff are involved in the CSMS development and implementation, as they are responsible for ensuring the safety of the IACS and the people, environment, and assets that depend on it. Safety management staff need to coordinate with the security management staff to align the safety and security requirements, identify and mitigate the safety risks arising from cyber threats, and monitor and respond to safety incidents caused by cyberattacks. References:
1: ISA/IEC 62443-2-1: Establishing an Industrial Automation and Control Systems Security Program, ISA,
2010.
2: A Practical Approach to Adopting the IEC 62443 Standards - ISAGCA
3: ISA ISA-IEC-62443 ISA/IEC 62443 Cybersecurity Fundamentals Specialist Online Training - Exam4Training
[4]: Using the ISA/IEC 62443 Standards to Secure Your Control System, ISA, 2018.
NEW QUESTION # 217
A company is developing an automation solution and wants to align its cybersecurity efforts with ISA/IEC
62443 standards. Which lifecycle phases should be integrated into their project plan to cover both security and automation solution security comprehensively?
Answer: A
Explanation:
ISA/IEC 62443 is explicitly lifecycle-based, requiring cybersecurity considerations to be integrated across all phases of an automation solution's lifecycle. This includes concept, design, implementation, verification, operation, maintenance, and decommissioning.
Step 1: Lifecycle philosophy of ISA/IEC 62443
The standard recognizes that cybersecurity risks emerge and evolve throughout the system lifecycle.
Addressing security in only one phase leaves gaps that attackers can exploit.
Step 2: Design and implementation are not sufficient
While secure architecture and configuration are critical, they must be supported by secure development practices, verification, operational procedures, incident response, patching, and change management.
Step 3: Operational importance
Many cybersecurity failures occur during operation due to poor maintenance, weak access control, or unmanaged changes. ISA/IEC 62443-2-1 and 3-3 explicitly address these phases.
Step 4: End-of-life considerations
Decommissioning must also be planned to ensure data, credentials, and access paths are securely removed.
Because the standard spans management (2-x), system (3-x), and component (4-x) requirements across the lifecycle, all phases must be integrated.
NEW QUESTION # 218
Which of the following is an element of monitoring and improving a CSMS?
Available Choices (select all choices that are correct)
Answer: A,D
Explanation:
Monitoring and improving a Cybersecurity Management System (CSMS) as per ISA/IEC 62443 standards involves several key activities that ensure the system remains effective and responsive to emerging threats.
Two critical elements of this ongoing process are:
A). Increase in staff training and security awareness: Regular training and increasing security awareness among staff are vital to maintaining a secure operating environment. This proactive measure helps in reducing human error and enhancing the ability to respond effectively to cybersecurity incidents.
D). Review of system logs and other key data files: Continuous review and analysis of system logs and other relevant data files are essential for detecting, investigating, and responding to potential security incidents.
This monitoring helps in identifying anomalies that may indicate a security breach or operational issues needing attention.
NEW QUESTION # 219
Who must be included in a training and security awareness program?
Available Choices (select all choices that are correct)
Answer: A
NEW QUESTION # 220
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