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| Section | Objectives |
|---|---|
| Creating A Security Program | - Developing a long-term security program - Security management organization - Defining information security policy |
| Addressing Risk with Security Policy, Organization, and Awareness | - Security policies and procedures - Security awareness and training - Organizational security roles and responsibilities |
| Monitoring and Improving the CSMS | - Incident detection and response - Continuous monitoring of IACS cybersecurity - Security lifecycle management |
| Addressing Risk with Implementation Measures | - Industrial network architecture and segmentation - Defense-in-depth strategy - Access control principles - Zones and conduits model |
| Risk Analysis | - Risk management fundamentals - Cybersecurity risk assessment concepts - Risk and vulnerability analysis techniques |
| Validating or Verifying the Security of Systems | - Continuous improvement of security measures - Security validation and verification techniques - Auditing and compliance |
| Addressing Risk with Selected Security Counter Measures | - Anti-virus and endpoint protection - Virtual Private Networks (VPNs) - Patch management - Firewalls and network security devices |
| How Cyberattacks Happen | - Cyber threats and attack vectors - Vulnerabilities in industrial systems - Case studies of industrial cyber incidents |
| Understanding the Current Industrial Security Environment | - Security challenges in OT environments - Current state of industrial control systems security - Convergence of IT and OT |
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NEW QUESTION # 217
What is the FIRST step required in implementing ISO 27001?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
The first step in implementing ISO 27001, an international standard for information security management systems (ISMS), is to perform a security risk assessment. This initial step is critical as it helps identify the organization's information assets that could be at risk, assess the vulnerabilities and threats to these assets, and evaluate their potential impacts. This risk assessment forms the foundation for defining appropriate security controls and measures tailored to the organization's specific needs. Starting with a risk assessment ensures that the security controls implemented are aligned with the actual risks the organization faces, making the ISMS more effective and targeted.
ISA/IEC 62443 Cybersecurity Fundamentals References:
* Although ISO 27001 is not part of ISA/IEC 62443, it shares common principles in cybersecurity management by starting with a comprehensive understanding and assessment of security risks, which is a fundamental aspect in both standards for setting up effective security practices.
NEW QUESTION # 218
Authorization (user accounts) must be granted based on which of the following?
Available Choices (select all choices that are correct)
Answer: A
Explanation:
Authorization is the process of granting or denying access to a network resource or function. Authorization (user accounts) must be granted based on specific roles, which are defined as sets of permissions and responsibilities assigned to a user or a group of users. Roles should be based on the principle of least privilege, which means that users should only have the minimum level of access required to perform their tasks. Roles should also be based on the principle of separation of duties, which means that users should not have conflicting or overlapping responsibilities that could compromise the security or integrity of the system.
Authorization based on individual preferences or common needs for large groups is not recommended, as it could lead to excessive or unnecessary access rights, or to inconsistent or conflicting policies. Authorization based on system complexity is also not a good criterion, as it could result in overcomplicated or unclear roles that are difficult to manage or audit. References:
* ISA/IEC 62443-3-3:2013 - Security for industrial automation and control systems - Part 3-3: System security requirements and security levels1
* ISA/IEC 62443-2-1:2010 - Security for industrial automation and control systems - Part 2-1:
Establishing an industrial automation and control systems security program2
* ISA/IEC 62443-4-1:2018 - Security for industrial automation and control systems - Part 4-1: Product security development life-cycle requirements3
NEW QUESTION # 219
What programs are MOST effective if they are tailored to the audience, consistent with company policy, and communicated regularly?
Answer: A
Explanation:
Cybersecurity awareness programs are most effective when tailored to the organization's audience, are aligned with corporate policies, and are communicated regularly. ISA/IEC 62443-2-1 emphasizes the importance of ongoing cybersecurity training and awareness, customized to different user roles, as a critical factor in reducing human-related security risks.
Reference: ISA/IEC 62443-2-1:2009, Section 6.2.4 ("Training and awareness").
NEW QUESTION # 220
Which of the following provides the overall conceptual basis in the design of an appropriate security program?
Answer: A
Explanation:
The reference model provides the overall conceptual basis for designing an appropriate security program. The ISA/IEC 62443-1-1 standard introduces the reference model to explain the structure, concepts, and relationships within an industrial automation and control system (IACS). It establishes the foundation for applying zones and conduits and for understanding security levels and how assets interact. This model is the cornerstone for implementing other architectural and technical security controls.
Reference: ISA/IEC 62443-1-1:2007, Section 4.2, "Reference Model"; also see Figure 1 in 62443-1-1.
NEW QUESTION # 221
Which of the following is a recommended default rule for IACS firewalls?
Available Choices (select all choices that are correct)
Answer: A
NEW QUESTION # 222
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