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| Section | Weight | Objectives |
|---|---|---|
| Access Control & Identity Management | 15% | - Security policies and procedures - User authentication and authorization - Role-based access control |
| Security Operations & Incident Response | 20% | - Cybersecurity Management System (CSMS) - Incident handling and response processes - Monitoring, maintenance and continuous improvement |
| Industrial Automation and Control Systems (IACS) Overview | 15% | - IACS components, architectures and protocols - Cybersecurity importance in industrial environments - Differences between IT and OT security |
| Industrial Network Security | 30% | - Threats, vulnerabilities and risk assessment - Industrial protocols security - Network segmentation and security architecture |
| Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Core security principles: CIA triad, defense-in-depth - Structure and parts of ISA/IEC 62443 standards - Zones and conduits model - Foundational security requirements |
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NEW QUESTION # 117
Which policies and procedures publication is titled Patch Manaqement in the IACS Environment?
Available Choices (select all choices that are correct)
Answer: C
NEW QUESTION # 118
Which steps are part of implementing countermeasures?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 119
Which is the implementation of PROFIBUS over Ethernet for non-safetv-related communications?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 120
Which of the following attacks relies on a human weakness to succeed?
Available Choices (select all choices that are correct)
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 # 121
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)
Answer: C
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 # 122
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