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| Section | Objectives |
|---|---|
| Topic 1: Validating or Verifying the Security of Systems | - Continuous improvement of security measures - Auditing and compliance - Security validation and verification techniques |
| Topic 2: Addressing Risk with Implementation Measures | - Access control principles - Defense-in-depth strategy - Industrial network architecture and segmentation - Zones and conduits model |
| Topic 3: Understanding the Current Industrial Security Environment | - Security challenges in OT environments - Convergence of IT and OT - Current state of industrial control systems security |
| Topic 4: Risk Analysis | - Risk and vulnerability analysis techniques - Risk management fundamentals - Cybersecurity risk assessment concepts |
| Topic 5: Creating A Security Program | - Defining information security policy - Developing a long-term security program - Security management organization |
| Topic 6: Addressing Risk with Selected Security Counter Measures | - Firewalls and network security devices - Anti-virus and endpoint protection - Patch management - Virtual Private Networks (VPNs) |
| Topic 7: How Cyberattacks Happen | - Case studies of industrial cyber incidents - Vulnerabilities in industrial systems - Cyber threats and attack vectors |
| Topic 8: Monitoring and Improving the CSMS | - Security lifecycle management - Incident detection and response - Continuous monitoring of IACS cybersecurity |
| Topic 9: Addressing Risk with Security Policy, Organization, and Awareness | - Security policies and procedures - Organizational security roles and responsibilities - Security awareness and training |
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NEW QUESTION # 60
Security Levels (SLs) are broken down into which three types?
Available Choices (select all choices that are correct)
Answer: A
Explanation:
Security Levels (SLs) are a way of expressing the security performance of an industrial automation and control system (IACS) or its components. SLs are broken down into three types: target, capability, and achieved1.
* Target SL is the level of security performance that is required for a system or component to protect against a specific threat scenario. The target SL is determined by conducting a risk assessment that considers the likelihood and impact of potential security incidents1.
* Capability SL is the level of security performance that a system or component can provide based on its design and implementation. The capability SL is determined by evaluating the security functions and features of the system or component against a set of security requirements1.
* Achieved SL is the level of security performance that a system or component actually provides in its operational environment. The achieved SL is determined by verifying that the system or component is properly installed, configured, maintained, and monitored1.
References: ISA/IEC 62443 Standards to Secure Your Industrial Control System, page 3-4.
NEW QUESTION # 61
What are the four main categories for documents in the ISA-62443 (IEC 62443) series?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
The ISA/IEC 62443 series of standards is organized into four main categories for documents, based on the topics and perspectives that they cover. These categories are: General, Policies and Procedures, System, and Component12.
* General: This category covers topics that are common to the entire series, such as terms, concepts, models, and overview of the standards1. For example, ISA/IEC 62443-1-1 defines the terminology, concepts, and models for industrial automation and control systems (IACS) security3.
* Policies and Procedures: This category focuses on methods and processes associated with IACS security, such as risk assessment, system design, security management, and security program development1. For example, ISA/IEC 62443-2-1 specifies the elements of an IACS security management system, which defines the policies, procedures, and practices to manage the security of IACS4.
* System: This category is about requirements at the system level, such as security levels, security zones, security lifecycle, and technical security requirements1. For example, ISA/IEC 62443-3-3 specifies the system security requirements and security levels for zones and conduits in an IACS5.
* Component: This category provides detailed requirements for IACS products, such as embedded devices, network devices, software applications, and host devices1. For example, ISA/IEC 62443-4-2 specifies the technical security requirements for IACS components, such as identification and authentication, access control, data integrity, and auditability.
The other options are not valid categories for documents in the ISA/IEC 62443 series of standards, as they either do not reflect the structure and scope of the standards, or they mix different aspects of IACS security that are covered by different categories. For example, end-user, integrator, vendor, and regulator are not categories for documents, but rather roles or stakeholders that are involved in IACS security. Assessment, mitigation, documentation, and maintenance are not categories for documents, but rather activities or phases that are part of the IACS security lifecycle. People, processes, technology, and training are not categories for documents, but rather elements or dimensions that are essential for IACS security.
References:
* ISA/IEC 62443 Series of Standards - ISA1
* IEC 62443 - Wikipedia2
* ISA/IEC 62443-1-1: Concepts and models3
* ISA/IEC 62443-2-1: Security management system4
* ISA/IEC 62443-3-3: System security requirements and security levels5
* ISA/IEC 62443-4-2: Technical security requirements for IACS components
NEW QUESTION # 62
What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)
Answer: C
Explanation:
ISO/IEC 15408, also known as the Common Criteria for Information Technology Security Evaluation, is an international standard that provides a framework for evaluating the security of IT products and systems. The purpose of the standard is to define a common set of requirements for the security functions and assurance measures of IT products and systems, and to establish a common methodology for conducting security evaluations. The standard allows users to specify their security needs and expectations in a Security Target (ST), which may be based on one or more Protection Profiles (PPs) that define security requirements for a class of products or systems. Vendors can then implement or claim compliance with the ST or PPs, and have their products or systems evaluated by independent testing laboratories against the security criteria defined in the standard. The standard also defines a scale of Evaluation Assurance Levels (EALs) that indicate the degree of confidence in the security of the evaluated product or system. The standard is intended to facilitate the development, procurement, and use of secure IT products and systems, and to promote the recognition and acceptance of evaluation results across different countries and regions. References:
ISO/IEC 15408-1:2009 - Common Criteria Evaluation for IT Security - Nemko1 Common Criteria - Wikipedia2 ISO/IEC Standard 15408 - ENISA3
NEW QUESTION # 63
After receiving an approved patch from the JACS vendor, what is BEST practice for the asset owner to
follow?
vailable Choices (select all choices that are correct)
Answer: C
NEW QUESTION # 64
If an asset owner wants to demonstrate compliance with ISA/IEC 62443-2-1 requirements during an external audit, which type of evidence would be MOST appropriate?
Answer: D
Explanation:
ISA/IEC 62443-2-1 requires objective, verifiable evidence of cybersecurity controls during audits and assessments.
Step 1: Evidence-based verification
Auditors assess whether required processes and technical controls are implemented and effective.
Documentation such as configurations, procedures, logs, and policies provides verifiable proof.
Step 2: Why documentation matters
Written records demonstrate consistency, repeatability, and governance-key goals of the standard.
Step 3: Why other options fail
Financial spending does not prove control effectiveness. Anecdotes are subjective. Marketing materials are not evidence.
Thus, documentation verifying use and configuration of technologies is the correct evidence.
NEW QUESTION # 65
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