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| Section | Objectives |
|---|---|
| Addressing Risk with Security Policy, Organization, and Awareness | - Organizational security roles and responsibilities - Security policies and procedures - Security awareness and training |
| Monitoring and Improving the CSMS | - Continuous monitoring of IACS cybersecurity - Security lifecycle management - Incident detection and response |
| Addressing Risk with Implementation Measures | - Industrial network architecture and segmentation - Zones and conduits model - Defense-in-depth strategy - Access control principles |
| How Cyberattacks Happen | - Vulnerabilities in industrial systems - Cyber threats and attack vectors - Case studies of industrial cyber incidents |
| Addressing Risk with Selected Security Counter Measures | - Virtual Private Networks (VPNs) - Anti-virus and endpoint protection - Firewalls and network security devices - Patch management |
| Understanding the Current Industrial Security Environment | - Current state of industrial control systems security - Convergence of IT and OT - Security challenges in OT environments |
| Validating or Verifying the Security of Systems | - Auditing and compliance - Security validation and verification techniques - Continuous improvement of security measures |
| Risk Analysis | - Risk management fundamentals - Cybersecurity risk assessment concepts - Risk and vulnerability analysis techniques |
| Creating A Security Program | - Developing a long-term security program - Security management organization - Defining information security policy |
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NEW QUESTION # 213
Security Levels (SLs) are broken down into which three types?
Available Choices (select all choices that are correct)
Answer: D
NEW QUESTION # 214
Which is the PRIMARY reason why Modbus over Ethernet is easy to manaqe in a firewall?
Available Choices (select all choices that are correct)
Answer: A
Explanation:
According to the ISA/IEC 62443-2-4 standard, a training and security awareness program should include all personnel who have access to the industrial automation and control system (IACS) or who are involved in its operation, maintenance, or management. This includes vendors and suppliers, employees, temporary staff, contractors, and visitors. The purpose of the program is to ensure that all personnel are aware of the security risks and policies related to the IACS, and that they have the necessary skills and knowledge to perform their roles in a secure manner. The program should also cover the roles and responsibilities of different personnel, the reportingprocedures for security incidents, and the best practices for security hygiene. References:
* ISA/IEC 62443-2-4:2015 - Security for industrial automation and control systems - Part 2-4: Security program requirements for IACS service providers1
* ISA/IEC 62443 Cybersecurity Fundamentals Specialist Training Course2
NEW QUESTION # 215
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 # 216
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 # 217
Which is an important difference between IT systems and IACS?
Available Choices (select all choices that are correct)
Answer: C
NEW QUESTION # 218
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