FREE PDF 2025 ISA ISA-IEC-62443: RELIABLE PREP ISA/IEC 62443 CYBERSECURITY FUNDAMENTALS SPECIALIST GUIDE

Free PDF 2025 ISA ISA-IEC-62443: Reliable Prep ISA/IEC 62443 Cybersecurity Fundamentals Specialist Guide

Free PDF 2025 ISA ISA-IEC-62443: Reliable Prep ISA/IEC 62443 Cybersecurity Fundamentals Specialist Guide

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q27-Q32):

NEW QUESTION # 27
Electronic security, as defined in ANSI/ISA-99.00.01:2007. includes which of the following?
Available Choices (select all choices that are correct)

  • A. Security guidelines for the proper configuration of IACS computers and operating systems
  • B. Computers, networks, operating systems, applications, and other programmable configurable
    components of the system
  • C. Security guidelines for the proper configuration of IACS PLCs and other programmable configurable
    components of the system
  • D. Personnel, policies, and procedures related to the security of computers, networks. PLCs, and other
    programmable configurable components of the system

Answer: D


NEW QUESTION # 28
Which of the following attacks relies on a human weakness to succeed?
Available Choices (select all choices that are correct)

  • A. Escalation-of-privileges
  • B. Phishing
  • C. Spoofing
  • D. Denial-of-service

Answer: B

Explanation:
Phishing is a type of cyberattack that relies on a human weakness to succeed. Phishing is the practice of sending fraudulent emails or other messages that appear to come from a legitimate source, such as a bank, a government agency, or a trusted person, in order to trick the recipient into revealing sensitive information, such as passwords, credit card numbers, or personal details, or into clicking on malicious links or attachments that may install malware or ransomware on their devices. Phishing is a common and effective way of compromising the security of industrial automation and control systems (IACS), as it can bypass technical security measures by exploiting the human factor. Phishing can also be used to gain access to the IACS network, to conduct reconnaissance, to launch further attacks, or to cause damage or disruption to the IACS operations. The ISA/IEC 62443 series of standards recognize phishing as a potential threat vector for IACS and provide guidance and best practices on how to prevent, detect, and respond to phishing attacks. Some of the recommended countermeasures include:
* Educating and training the IACS staff on how to recognize and avoid phishing emails and messages, and how to report any suspicious or malicious activity.
* Implementing and enforcing policies and procedures for email and message security, such as using strong passwords, verifying the sender's identity, and not opening or clicking on unknown or unsolicited links or attachments.
* Applying technical security controls, such as antivirus software, firewalls, spam filters, encryption, and authentication, to protect the IACS devices and network from phishing attacks.
* Monitoring and auditing the IACS network and devices for any signs of phishing attacks, such as
* anomalous or unauthorized traffic, connections, or activities, and taking appropriate actions to contain and mitigate the impact of any incidents. References:
* ISA/IEC 62443-1-1:2009, Security for industrial automation and control systems - Part 1-1:
Terminology, concepts and models1
* ISA/IEC 62443-2-1:2009, Security for industrial automation and control systems - Part 2-1: Establishing an industrial automation and control systems security program2
* ISA/IEC 62443-2-4:2015, Security for industrial automation and control systems - Part 2-4: Security program requirements for IACS service providers3
* ISA/IEC 62443-3-3:2013, Security for industrial automation and control systems - Part 3-3: System security requirements and security levels4
* ISA/IEC 62443-4-2:2019, Security for industrial automation and control systems - Part 4-2: Technical security requirements for IACS components5


NEW QUESTION # 29
Which of the ISA 62443 standards focuses on the process of developing secure products?
Available Choices (select all choices that are correct)

  • A. 62443-4-1
  • B. 62443-3-3
  • C. 62443-1-1
  • D. 62443-3-2

Answer: A


NEW QUESTION # 30
Which is an important difference between IT systems and IACS?
Available Choices (select all choices that are correct)

  • A. The IT security priority is availability.
  • B. The IACS security priority is integrity.
  • C. Routers are not used in IACS networks.
  • D. IACS cybersecurity must address safety issues.

Answer: B,D


NEW QUESTION # 31
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)

  • A. Changes are approved by one party and implemented by another.
  • B. Design and implementation are performed by the same team.
  • C. Configuration settings are made by one party and self-reviewed using a checklist.
  • D. Developers write and then test their own code.

Answer: A


NEW QUESTION # 32
......

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