GICSP Exam Book - Original GICSP Questions

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GIAC GICSP Exam Syllabus Topics:

SectionObjectives
Topic 1: ICS Incident Response and Recovery- Incident Response Planning
  • 1. Coordination between IT and OT teams
  • 2. ICS-specific IR requirements and priorities
- Detection and Analysis
  • 1. Forensics and evidence collection
  • 2. Monitoring and anomaly detection
- Recovery and Continuity
  • 1. Process continuity and restoration
  • 2. Disaster recovery planning
Topic 2: ICS Security Architecture and Defense- System and Device Hardening
  • 1. Secure configuration and patch management
  • 2. Firmware and software security
- Wireless and Remote Access Security
  • 1. Secure remote access methods
  • 2. Wireless technologies in ICS
- Defense-in-Depth Strategies
  • 1. Network segmentation and access control
  • 2. Perimeter and internal security controls
Topic 3: ICS Components, Architecture, and Protocols- Communications and Protocols
  • 1. Cryptography and secure communications
  • 2. Protocol vulnerabilities and attacks
  • 3. TCP/IP and industrial-specific protocols
- Purdue Reference Architecture
  • 1. Levels 0–1 devices, technologies, and vulnerabilities
  • 2. Levels 2–3 devices, technologies, and vulnerabilities
  • 3. Network segmentation and security zones
- ICS Overview and Concepts
  • 1. ICS roles, responsibilities, and lifecycle
  • 2. Physical security considerations
  • 3. Differences between ICS and IT environments
Topic 4: ICS Threats, Vulnerabilities, and Risk Management- Vulnerabilities and Attack Surfaces
  • 1. Common vulnerabilities in ICS components
  • 2. Attack vectors and exploitation methods
- Threat Landscape and Threat Modeling
  • 1. Threat modeling methodologies
  • 2. ICS-specific threats and actors
- Risk Assessment and Management
  • 1. Risk assessment frameworks (NIST SP 800-82, IEC 62443)
  • 2. Risk mitigation strategies
Topic 5: ICS Governance, Policy, and Compliance- Security Program Development
  • 1. Change management and configuration control
  • 2. Security policies and procedures
- Standards and Compliance
  • 1. IEC 62443, NIST, and industry regulations
  • 2. Audit and assessment processes
- Training and Awareness
  • 1. Role-based training requirements
  • 2. Personnel security awareness

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GIAC Global Industrial Cyber Security Professional (GICSP) Sample Questions (Q96-Q101):

NEW QUESTION # 96
Which of the following is a protocol that will provide control center-to-control center SCADA communications in a situation where each of the control centers implement a different vendor-supplied protocol internally?

Answer: A

Explanation:
ICCP (Inter-Control Center Communications Protocol) (A) is designed for control center-to-control center communication and interoperability, especially when different internal vendor protocols are used.
DNP3 (B) and Modbus/TCP (D) are primarily used for control center to field device communications.
BACnet (C) is for building automation.
MMS (E) is a messaging standard but less commonly used for inter-control center communications.
GICSP highlights ICCP as critical for interoperability across heterogeneous ICS networks.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
IEEE and IEC Protocol Standards
GICSP Training on ICS Communication Protocols


NEW QUESTION # 97
What is one of the main challenges of integrating threat intelligence into ICS environments?
Response:

Answer: C


NEW QUESTION # 98
Which of the following is a commonly used framework for understanding cyber threats in an ICS environment?
Response:

Answer: B


NEW QUESTION # 99
How could Wireshark be utilized in an attack against devices at Purdue levels 0 or 1?

Answer: D

Explanation:
Wireshark is a network protocol analyzer primarily used to capture and analyze network traffic. At Purdue levels 0 or 1 (which include physical devices like sensors, actuators, and controllers communicating over industrial protocols), Wireshark can be used to:
Capture serial and fieldbus communications (A), such as Modbus, Profibus, or Ethernet-based protocols, if the network media is accessible. This can reveal sensitive operational data and control commands.
Wireshark cannot capture communications between chips on a board (B) because this is hardware-level, not network traffic.
Detecting open ports by sending packets (C) is a function of port scanning tools, not Wireshark.
Detecting asymmetrical keys or brute forcing crypto keys (D and E) are not capabilities of Wireshark.
The GICSP training highlights the risk of passive monitoring via tools like Wireshark as a means for attackers to gain insight into control system operations.
Reference:
GICSP Official Study Guide, Domain: ICS Security Operations & Incident Response NIST SP 800-82 Rev 2, Section 7.5 (Monitoring and Analysis Tools) GICSP Training on Network Traffic Analysis and ICS Attack Vectors


NEW QUESTION # 100
Which security concern is commonly associated with Level 0 and Level 1 devices in ICS environments?
Response:

Answer: C


NEW QUESTION # 101
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