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| Section | Objectives |
|---|---|
| Topic 1: Validating or Verifying the Security of Systems | - Auditing and compliance - Security validation and verification techniques - Continuous improvement of security measures |
| Topic 2: How Cyberattacks Happen | - Cyber threats and attack vectors - Vulnerabilities in industrial systems - Case studies of industrial cyber incidents |
| Topic 3: Monitoring and Improving the CSMS | - Incident detection and response - Security lifecycle management - Continuous monitoring of IACS cybersecurity |
| Topic 4: Risk Analysis | - Cybersecurity risk assessment concepts - Risk management fundamentals - Risk and vulnerability analysis techniques |
| Topic 5: Addressing Risk with Selected Security Counter Measures | - Patch management - Virtual Private Networks (VPNs) - Anti-virus and endpoint protection - Firewalls and network security devices |
| Topic 6: Addressing Risk with Security Policy, Organization, and Awareness | - Security awareness and training - Security policies and procedures - Organizational security roles and responsibilities |
| Topic 7: Creating A Security Program | - Defining information security policy - Developing a long-term security program - Security management organization |
| Topic 8: Understanding the Current Industrial Security Environment | - Security challenges in OT environments - Current state of industrial control systems security - Convergence of IT and OT |
| Topic 9: Addressing Risk with Implementation Measures | - Access control principles - Defense-in-depth strategy - Industrial network architecture and segmentation - Zones and conduits model |
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NEW QUESTION # 151
Which of the following BEST describes 'Vulnerability'?
Answer: B
Explanation:
According to IEC 62443-1-1, a vulnerability is defined as:
"A weakness in an asset or in the protective measures associated with that asset that can be exploited by a threat source." More broadly, it represents the potential for a violation of security, rather than a guaranteed breach or specific event.
This aligns with the understanding in cybersecurity risk management - a vulnerability does not equate to an incident or result, but rather a potential that could be exploited.
Incorrect Options:
A). An exploitable flaw in management - Too narrow; vulnerabilities exist in systems, software, devices, not just management.
B). An event that could breach security - That's a threat, not a vulnerability.
D). The result that occurs from a particular incident - That would be considered a consequence or impact, not the vulnerability itself.
References:
ISA/IEC 62443-1-1:2007 - "Terminology, Concepts, and Models"
ISA/IEC 62443 Study Guide
NEW QUESTION # 152
Which policies and procedures publication is titled Patch Manaqement in the IACS Environment?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 153
Which is a PRIMARY reason why network security is important in IACS environments?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
Network security is important in IACS environments because PLCs, or programmable logic controllers, are devices that control physical processes and equipment in industrial settings. PLCs under cyber attack can have costly and dangerous impacts, such as disrupting production, damaging equipment, compromising safety, and harming the environment. Therefore, network security is essential to protect PLCs and other IACS components from unauthorized access, modification, or disruption. The other choices are not primary reasons why network security is important in IACS environments. PLCs are not inherently unreliable, but they can be affected by environmental factors, such as temperature, humidity, and electromagnetic interference. PLCs are programmed using ladder logic, which is a graphical programming language that resembles electrical schematics. PLCs use serial or Ethernet communications methods, depending on the type and age of the device, to communicate with other IACS components, such as human-machine interfaces (HMIs), supervisory control and data acquisition (SCADA) systems, and distributed control systems (DCSs). References:
* ISA/IEC 62443 Standards to Secure Your Industrial Control System training course1
* ISA/IEC 62443 Cybersecurity Fundamentals Specialist Study Guide2
* Using the ISA/IEC 62443 Standard to Secure Your Control Systems3
NEW QUESTION # 154
What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)
Answer: D
NEW QUESTION # 155
Which of the following can be employed as a barrier device in a segmented network?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 156
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