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| Section | Weight | Objectives |
|---|---|---|
| Security Operations & Incident Response | 20% | - Monitoring, maintenance and continuous improvement - Incident handling and response processes - Cybersecurity Management System (CSMS) |
| Industrial Network Security | 30% | - Threats, vulnerabilities and risk assessment - Industrial protocols security - Network segmentation and security architecture |
| Access Control & Identity Management | 15% | - Role-based access control - Security policies and procedures - User authentication and authorization |
| Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Foundational security requirements - Structure and parts of ISA/IEC 62443 standards - Core security principles: CIA triad, defense-in-depth - Zones and conduits model |
| Industrial Automation and Control Systems (IACS) Overview | 15% | - IACS components, architectures and protocols - Cybersecurity importance in industrial environments - Differences between IT and OT security |
>> Hot ISA-IEC-62443 Questions <<
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NEW QUESTION # 68
Which of the following is an example of separation of duties as a part of system development and maintenance?
Available Choices (select all choices that are correct)
Answer: C
Explanation:
Separation of duties is a security principle that aims to prevent fraud, errors, conflicts of interest, or misuse of resources by dividing critical tasks or functions among different people or teams. It is one of the foundational requirements (FRs) of the ISA/IEC 62443 standards for securing industrial automation and control systems (IACSs). According to the ISA/IEC 62443-2-1 standard, separation of duties includes the following system requirements (SRs):
* SR 2.1: Security management policy
* SR 2.2: Personnel security
* SR 2.3: System development and maintenance
* SR 2.4: Incident response and recovery
* SR 2.5: Compliance and review
Among these SRs, the one that is most related to the example of system development and maintenance is SR
2.3. SR 2.3 requires that the IACS shall provide the capability to ensure that the development and maintenance of the system and its components are performed in a secure manner. This means that the IACS should have a mechanism to control the access and authorization of developers, testers, integrators, and maintainers who work on the system and its components. It also means that the IACS should have a mechanism to verify and validate the quality and security of the system and its components before, during, and after the development and maintenance processes.
Therefore, an example of separation of duties as a part of system development and maintenance is that changes are approved by one party and implemented by another. This ensures that the changes are authorized, documented, and reviewed by someone who is not involved in the implementation. This reduces the risk of introducing errors, vulnerabilities, or malicious code into the system and its components.
References:
* ISA/IEC 62443-2-1:2010, Security for industrial automation and control systems - Part 2-1: Establishing an industrial automation and control systems security program1
* ISA/IEC 62443 Cybersecurity Fundamentals Specialist Certificate Program2
* ISA/IEC 62443 Cybersecurity Library3
* Using the ISA/IEC 62443 Standards to Secure Your Control Systems4
NEW QUESTION # 69
Which standard is recognized as part of the NIST CSF Informative References?
Answer: C
Explanation:
ISA/IEC 62443 is officially listed as an Informative Reference in the NIST Cybersecurity Framework (CSF).
Informative References provide detailed guidance to help organizations implement the CSF's functions, categories, and subcategories.
"ISA/IEC 62443 is included in the NIST CSF Informative References to help apply risk-based cybersecurity practices to industrial control systems."
- NIST CSF Informative Reference Catalog, Section: PR.IP and ID.RA
ISA/IEC 62443 aligns well with CSF categories such as Protect (PR) and Identify (ID), especially for operational technology environments.
References:
NIST CSF Informative References Catalog
ISA/IEC 62443-2-1 - Alignment with CSF categories
NEW QUESTION # 70
What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
ISO/IEC 15408, also known as the Common Criteria for Information Technology Security Evaluation, is an international standard that provides a framework for evaluating the security of IT products and systems. The purpose of the standard is to define a common set of requirements for the security functions and assurance measures of IT products and systems, and to establish a common methodology for conducting security evaluations. The standard allows users to specify their security needs and expectations in a Security Target (ST), which may be based on one or more Protection Profiles (PPs)that define security requirements for a class of products or systems. Vendors can then implement or claim compliance with the ST or PPs, and have their products or systems evaluated by independent testing laboratories against the security criteria defined in the standard. The standard also defines a scale of Evaluation Assurance Levels (EALs) that indicate the degree of confidence in the security of the evaluated product or system. The standard is intended to facilitate the development, procurement, and use of secure IT products and systems, and to promote the recognition and acceptance of evaluation results across different countries and regions. References:
* ISO/IEC 15408-1:2009 - Common Criteria Evaluation for IT Security - Nemko1
* Common Criteria - Wikipedia2
* ISO/IEC Standard 15408 - ENISA3
NEW QUESTION # 71
Which of the following is the BEST example of detection-in-depth best practices?
Available Choices (select all choices that are correct)
Answer: A
NEW QUESTION # 72
Which service does an Intrusion Detection System (IDS) provide?
Available Choices (select all choices that are correct)
Answer: C
Explanation:
An intrusion detection system (IDS) is a network security tool that monitors network traffic and devices for known malicious activity, suspicious activity or security policy violations. The IDS sends alerts to IT and security teams when it detects any security risks and threats. However, an IDS does not block or prevent the malicious activity, it only detects and reports it. Therefore, an IDS is not the lock on the door for networks and computer systems, nor is it effective against all vulnerabilities in networks and computer systems. An IDS can be combined with an intrusion prevention system (IPS) to block the malicious activity in real time.
References:
* What is Intrusion Detection Systems (IDS)? How does it Work? | Fortinet1
* Intrusion Detection System (IDS) - GeeksforGeeks2
* What is an intrusion detection system (IDS)? - IBM3
NEW QUESTION # 73
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