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| Section | Objectives |
|---|---|
| Addressing Risk with Selected Security Counter Measures | - Patch management - Anti-virus and endpoint protection - Firewalls and network security devices - Virtual Private Networks (VPNs) |
| Risk Analysis | - Cybersecurity risk assessment concepts - Risk management fundamentals - Risk and vulnerability analysis techniques |
| Addressing Risk with Implementation Measures | - Zones and conduits model - Industrial network architecture and segmentation - Defense-in-depth strategy - Access control principles |
| Addressing Risk with Security Policy, Organization, and Awareness | - Security awareness and training - Security policies and procedures - Organizational security roles and responsibilities |
| Creating A Security Program | - Security management organization - Developing a long-term security program - Defining information security policy |
| Understanding the Current Industrial Security Environment | - Current state of industrial control systems security - Security challenges in OT environments - Convergence of IT and OT |
| Monitoring and Improving the CSMS | - Incident detection and response - Continuous monitoring of IACS cybersecurity - Security lifecycle management |
| How Cyberattacks Happen | - Vulnerabilities in industrial systems - Cyber threats and attack vectors - Case studies of industrial cyber incidents |
| Validating or Verifying the Security of Systems | - Continuous improvement of security measures - Auditing and compliance - Security validation and verification techniques |
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NEW QUESTION # 136
Which of the following is an element of security policy, organization, and awareness?
Available Choices (select all choices that are correct)
Answer: C
NEW QUESTION # 137
What is a commonly used protocol for managing secure data transmission over a Virtual Private Network
(VPN)?
Available Choices (select all choices that are correct)
Answer: D
NEW QUESTION # 138
What.are the two elements of the risk analysis category of an IACS?
Available Choices (select all choices that are correct)
Answer: D
NEW QUESTION # 139
What port number is used by MODBUS TCP/IP for communication?
Answer: C
Explanation:
MODBUS TCP/IP, a widely used communication protocol in industrial control systems, uses TCP port 502 by default.
"Modbus TCP/IP operates on TCP port 502, and this port should be monitored and protected to prevent unauthorized commands to critical control systems."
- ISA/IEC 62443-3-3:2013, Annex A - Communication Protocols
This makes port 502 a high-value target for attackers, which is why it must be secured via firewalls and access control.
References:
ISA/IEC 62443-3-3:2013 - Annex A
MODBUS Application Protocol Specification v1.1b
NEW QUESTION # 140
Whose responsibility is it to determine the level of risk an organization is willing to tolerate?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
According to the ISA/IEC 62443 standards, the level of risk an organization is willing to tolerate is determined by the management, as they are responsible for defining the business and risk objectives, as well as the security policies and procedures for the organization. The management also has the authority to allocate the necessary resources and assign the roles and responsibilities for implementing and maintaining the security program. The legal, operations, and safety departments may provide input and feedback to the management, but they do not have the final say in determining the risk tolerance level. References: ISA/IEC 62443-2-1:2010
- Establishing an industrial automation and control systems security program, section 4.2.1.
NEW QUESTION # 141
......
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