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| Section | Objectives |
|---|---|
| Topic 1: Understanding the Current Industrial Security Environment | - Convergence of IT and OT - Security challenges in OT environments - Current state of industrial control systems security |
| Topic 2: Monitoring and Improving the CSMS | - Continuous monitoring of IACS cybersecurity - Incident detection and response - Security lifecycle management |
| Topic 3: Creating A Security Program | - Defining information security policy - Security management organization - Developing a long-term security program |
| Topic 4: Addressing Risk with Implementation Measures | - Defense-in-depth strategy - Zones and conduits model - Industrial network architecture and segmentation - Access control principles |
| Topic 5: Risk Analysis | - Cybersecurity risk assessment concepts - Risk and vulnerability analysis techniques - Risk management fundamentals |
| Topic 6: Addressing Risk with Selected Security Counter Measures | - Patch management - Virtual Private Networks (VPNs) - Anti-virus and endpoint protection - Firewalls and network security devices |
| Topic 7: Validating or Verifying the Security of Systems | - Auditing and compliance - Continuous improvement of security measures - Security validation and verification techniques |
| Topic 8: How Cyberattacks Happen | - Cyber threats and attack vectors - Vulnerabilities in industrial systems - Case studies of industrial cyber incidents |
| Topic 9: Addressing Risk with Security Policy, Organization, and Awareness | - Security policies and procedures - Security awareness and training - Organizational security roles and responsibilities |
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NEW QUESTION # 104
Which statement BEST describes the Target Security Protection Ratings?
Answer: A
Explanation:
In ISA/IEC 62443, Target Security Protection Ratings correspond to the concept of Target Security Levels (SL-T).
Step 1: Definition of target ratings
Target ratings describe the desired level of protection that a system or zone must achieve during operation, based on risk assessment.
Step 2: Difference between target and achieved
* Target ratings define what is required.
* Achieved ratings (SL-A) describe what has actually been implemented and verified.
Step 3: Why Option D is correct
The target rating outlines the intended security outcome that implementation measures must fulfill during operation, not what currently exists.
Step 4: Why other options are incorrect
Actual achieved levels, cost metrics, or implementation measurements are separate concepts.
Therefore, the correct description is that they outline the desired levels of system security requirements to be fulfilled during operation.
NEW QUESTION # 105
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?
Answer: B
NEW QUESTION # 106
Which of the following PRIMARILY determines access privileges for user accounts?
Available Choices (select all choices that are correct)
Answer: C
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 accesscontrol 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 # 107
Which standard focuses on protecting sensitive information across all organizational systems through a broad information security management system (ISMS)?
Answer: A
Explanation:
ISO/IEC 27001 is the international standard specifically designed for creating and managing an Information Security Management System (ISMS) across an entire organization, including IT systems, data centers, and administrative controls.
"ISO/IEC 27001 specifies the requirements for establishing, implementing, maintaining and continually improving an ISMS."
- ISO/IEC 27001:2022, Clause 1 - Scope
While ISA/IEC 62443 focuses on industrial control systems (IACS) and operational technology (OT) security, it complements but does not replace the ISMS scope of ISO/IEC 27001.
References:
ISO/IEC 27001:2022 - Clauses 1-3
ISA/IEC 62443-2-1 - Integration with existing ISMS frameworks
NEW QUESTION # 108
Why is OPC Classic considered firewall unfriendly?
Answer: D
Explanation:
OPC Classic uses Microsoft's DCOM (Distributed Component Object Model) for communication, which dynamically opens multiple ports, making it extremely difficult to manage with firewalls.
"OPC Classic is firewall-unfriendly because DCOM requires dynamic port negotiation, making it difficult to define consistent firewall rules."
- ISA/IEC 62443-3-3:2013, Annex A - Communication Protocols and Security Concerns This lack of port predictability presents a significant security and operational risk, which led to the development of OPC UA, which uses fixed ports and supports encryption.
References:
ISA/IEC 62443-3-3 - Annex A
OPC Foundation Security Guidelines
NEW QUESTION # 109
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