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| Section | Weight | Objectives |
|---|---|---|
| Industrial Network Security | 30% | - Industrial protocols security - Threats, vulnerabilities and risk assessment - Network segmentation and security architecture |
| Access Control & Identity Management | 15% | - User authentication and authorization - Security policies and procedures - Role-based access control |
| Industrial Automation and Control Systems (IACS) Overview | 15% | - Differences between IT and OT security - IACS components, architectures and protocols - Cybersecurity importance in industrial environments |
| Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Zones and conduits model - Core security principles: CIA triad, defense-in-depth - Structure and parts of ISA/IEC 62443 standards - Foundational security requirements |
| Security Operations & Incident Response | 20% | - Incident handling and response processes - Monitoring, maintenance and continuous improvement - Cybersecurity Management System (CSMS) |
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NEW QUESTION # 106
Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
One of the trends that has increased the security risks for industrial automation and control systems (IACS) is the integration of these systems with business and enterprise systems, such asenterprise resource planning (ERP), manufacturing execution systems (MES), and supervisory control and data acquisition (SCADA). This integration exposes the IACS to the same threats and vulnerabilities that affect the business and enterprise systems, such as malware, denial-of-service attacks, unauthorized access, and data theft. Moreover, the integration also creates new attack vectors and pathways for adversaries to compromise the IACS, such as through remote access, wireless networks, or third-party devices. Therefore, the integration of IACS with business and enterprise systems is a trend that has caused a significant percentage of security vulnerabilities. References: ISA/IEC 62443 Standards to Secure Your Industrial Control System, page 1-2.
NEW QUESTION # 107
What is a requirement for product security development lifecycles?
Answer: C
Explanation:
The ISA/IEC 62443-4-1 standard defines the requirements for a secure product development lifecycle for IACS products. One of the core requirements is "risk management" - the systematic process of identifying, evaluating, and mitigating security risks throughout the product lifecycle. This ensures that security is built in from the early design phases through to maintenance and decommissioning. While agile and continuous integration can be useful development methods, they are not specific requirements of the standard. Defense-in- depth is a security principle, not a lifecycle process requirement.
Reference: ISA/IEC 62443-4-1:2018, Section 4.2.3 ("Security risk management").
NEW QUESTION # 108
What impact do increasing cybercrime attacks have?
Answer: B
Explanation:
Increasing cybercrime attacks have a significant impact on suppliers of essential services, including those in energy, water, transportation, and manufacturing. ISA/IEC 62443 and related critical infrastructure guidance highlight that attackers are increasingly targeting organizations whose disruption can have widespread societal consequences. While cybercrime can drive organizations to improve cybersecurity, the main documented impact is the risk to essential services and infrastructure.
Reference: ISA/IEC 62443-1-1:2007, Section 4.4; NIST CSF, Section 1.0.
NEW QUESTION # 109
Safety management staff are stakeholders of what security program development?
Available Choices (select all choices that are correct)
Answer: C
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 # 110
In a defense-in-depth strategy, what is the purpose of role-based access control?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
Role-based access control (RBAC) is a method of restricting access to resources based on the roles of individual users within an organization. RBAC assigns permissions and responsibilities to roles, rather than to individual users, and then assigns users to those roles. This way, users can only perform the actions that are relevant and necessary for their role, and not access or modify any other resources that are beyond their scope of authority. RBAC is one of the security countermeasures that can be implemented in a defense-in-depth strategy, which is a layered approach to protect industrial automation and control systems (IACS) from cyber threats. RBAC can help prevent unauthorized access, misuse, or sabotage of IACS resources, as well as reduce the risk of human error or insider attacks.
References:
ISA/IEC 62443-3-3:2013, Security for industrial automation and control systems - Part 3-3: System security requirements and security levels, Clause 5.3.2.11 ISA/IEC 62443-2-1:2010, Security for industrial automation and control systems - Part 2-1: Establishing an industrial automation and control systems security program, Clause 6.2.2.32 ISA/IEC 62443-4-1:2018, Security for industrial automation and control systems - Part 4-1: Product security development life-cycle requirements, Clause 5.2.3.23 ISA/IEC 62443-4-2:2019, Security for industrial automation and control systems - Part 4-2: Technical security requirements for IACS components, Clause 4.2.3.24
NEW QUESTION # 111
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