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GIAC GICSP Exam Syllabus Topics:

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

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GIAC Global Industrial Cyber Security Professional (GICSP) Sample Questions (Q67-Q72):

NEW QUESTION # 67
What is the primary function of actuators in Level 0 of an ICS?
Response:

Answer: D


NEW QUESTION # 68
Which of the following is a common vulnerability in SCADA systems at Level 3?
Response:

Answer: C


NEW QUESTION # 69
How could Wireshark be utilized in an attack against devices at Purdue levels 0 or 1?

Answer: C

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 # 70
What mechanism could help defeat an attacker's attempt to hide evidence of his/her actions on the target system?

Answer: C

Explanation:
An attacker often tries to cover their tracks by deleting or modifying logs on the compromised system to hide evidence of their activities.
Centralized logging (D) forwards log data in real-time or near real-time to a secure, remote logging server that the attacker cannot easily alter or delete. This makes it much more difficult for attackers to erase their footprints because even if local logs are tampered with, copies remain intact elsewhere.
Attack surface analysis (A) is a proactive security activity to identify vulnerabilities, not a forensic or logging mechanism.
Application allow lists (B) control what software can execute but do not directly preserve evidence of actions taken.
Sandboxing (C) isolates processes for security testing but is unrelated to preserving evidence.
The GICSP materials emphasize centralized logging and secure log management as critical controls for incident detection and forensic analysis within ICS environments.
Reference:
GICSP Official Study Guide, Domain: ICS Security Operations & Incident Response NIST SP 800-92 (Guide to Computer Security Log Management) GICSP Training on Incident Response and Logging Best Practices


NEW QUESTION # 71
During a plant upgrade an architect needs to connect legacy lEDs to a new TCP/IP instrumentation LAN. The lEDs only have RS-232 communication interfaces available. What would best be used to connect the lEDs?

Answer: D

Explanation:
Legacy devices using RS-232 interfaces require a communications gateway (C) to translate between the serial communication protocol and the new TCP/IP network.
A data diode (A) is a unidirectional security device, not a protocol translator.
An engineering workstation (B) is a computer, not a protocol conversion device.
An industrial switch (D) operates at the Ethernet layer and does not perform protocol conversion.
GICSP emphasizes gateways as essential for integrating legacy ICS devices into modern IP networks while maintaining protocol integrity.
Reference:
GICSP Official Study Guide, Domain: ICS Fundamentals & Architecture
NIST SP 800-82 Rev 2, Section 3.4 (Legacy Protocol Integration)
GICSP Training on ICS Network Architecture and Protocols


NEW QUESTION # 72
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