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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Access Control & Identity Management | 15% | - Security policies and procedures - Role-based access control - User authentication and authorization |
| Topic 2: Industrial Automation and Control Systems (IACS) Overview | 15% | - IACS components, architectures and protocols - Differences between IT and OT security - Cybersecurity importance in industrial environments |
| Topic 3: Industrial Network Security | 30% | - Threats, vulnerabilities and risk assessment - Network segmentation and security architecture - Industrial protocols security |
| Topic 4: Security Operations & Incident Response | 20% | - Monitoring, maintenance and continuous improvement - Cybersecurity Management System (CSMS) - Incident handling and response processes |
| Topic 5: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Foundational security requirements - Zones and conduits model - Structure and parts of ISA/IEC 62443 standards - Core security principles: CIA triad, defense-in-depth |
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NEW QUESTION # 187
Which of the following PRIMARILY determines access privileges for user accounts?
Available Choices (select all choices that are correct)
Answer: A
Explanation:
Authorization security policy is the primary factor that determines access privileges for user accounts. Authorization security policy is the function of specifying access rights or privileges to resources, which is related to general information security and computer security, and to access control in particular1.
Authorization security policy defines who can access what resources, under what conditions, and for what purposes. Authorization security policy should be aligned with the business objectives and security requirements of the organization, and should be enforced by appropriate mechanisms and controls. Authorization security policy should also be reviewed and updated regularly to reflect changes in the environment, threats, and risks2. Authorization security policy is an essential part of the ISA/IEC 62443 standard, which provides a framework for securing industrial automation and control systems (IACS). The standard defines four security levels (SL) that represent the degree of protection against threats, and specifies the security capabilities that should be implemented for each SL. The standard also provides guidance on how to conduct a security risk assessment, how to define security zones and conduits, and how to apply security policies and procedures to the IACS environment34 . References: https://bing.com/search?
q=authorization+security+policy
https://learn.microsoft.com/en-us/aspnet/core/security/authorization/policies?view=aspnetcore-7.0
NEW QUESTION # 188
What is the primary purpose of the NIST Cybersecurity Framework (CSF)?
Answer: D
Explanation:
The primary goal of the NIST Cybersecurity Framework (CSF) is to help organizations enhance the security and resilience of critical infrastructure and reduce cybersecurity risks through a structured, risk-based approach.
"The Framework provides a policy framework of computer security guidance for how private sector organizations in the United States can assess and improve their ability to prevent, detect, and respond to cyber attacks. It is intended to enhance the resilience of critical infrastructure."
- NIST CSF v1.1, Section 1.0 - Overview
The NIST CSF does not create new standards or certify organizations - it references existing standards and guides implementation in a flexible and sector-neutral way.
References:
NIST Cybersecurity Framework v1.1 - Section 1
ISA/IEC 62443-2-1 - Mapping to NIST CSF
NEW QUESTION # 189
A company discovers malware on a portable USB device used within their IACS environment. According to the document, which SP Element and controls would be MOST relevant to address this issue?
Answer: B
Explanation:
ISA/IEC 62443-2-1 defines SP Element 4 as covering component hardening, malware protection, and the secure use of portable and mobile media. Malware introduced through USB devices is a well-known attack vector in IACS environments, and the standard addresses this risk explicitly through preventive controls rather than only reactive measures.
Step 1: Nature of the threat
Portable media such as USB drives bypass network-based defenses and can introduce malware directly into critical control systems. ISA/IEC 62443 recognizes this as a high-risk vector, especially in air-gapped or semi- isolated systems.
Step 2: SP Element 4 scope
SP Element 4 requires asset owners to implement technical controls such as:
* Restrictions on the use of portable media
* Use of dedicated, controlled media
* Malware scanning before use
* Hardening of endpoints to prevent unauthorized execution
Step 3: Why other SP Elements are secondary
* SP Element 1 focuses on anomaly detection, not prevention.
* SP Element 2 concerns inventory accuracy.
* SP Element 7 applies after an incident has occurred.
Step 4: Preventive emphasis
The standard prioritizes prevention of malware introduction through controlled media usage, making SP Element 4 the most relevant.
NEW QUESTION # 190
Multiuser accounts and shared passwords inherently carry which of the followinq risks?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 191
What is Modbus?
Answer: A
Explanation:
Modbus is a serial communications protocol originally published by Modicon (now Schneider Electric) in
1979 for use with its programmable logic controllers (PLCs). It has become a de facto standard protocol for communication between industrial electronic devices. Modbus allows devices, such as sensors and instruments, to communicate their data to a controller or computer. The protocol can operate over serial lines (RS-232, RS-485) and has been extended for TCP/IP networks (Modbus TCP). It is not a programming language, network security standard, or a type of industrial machinery. Its simplicity and open nature have made it widespread in industrial environments, but it has minimal built-in security, which is a significant consideration in cybersecurity for industrial control systems.
Reference: ISA/IEC 62443-3-3:2013, Section 4.2.3, and ISA-62443-1-1:2007, Section 3.2.1.
NEW QUESTION # 192
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