GIAC GICSP Übungsmaterialien - GICSP Prüfungs-Guide

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GIAC GICSP Exam Syllabus Topics:

SectionObjectives
ICS Components, Architecture, and Protocols- Communications and Protocols
  • 1. Protocol vulnerabilities and attacks
  • 2. TCP/IP and industrial-specific protocols
  • 3. Cryptography and secure communications
- Purdue Reference Architecture
  • 1. Network segmentation and security zones
  • 2. Levels 0–1 devices, technologies, and vulnerabilities
  • 3. Levels 2–3 devices, technologies, and vulnerabilities
- ICS Overview and Concepts
  • 1. ICS roles, responsibilities, and lifecycle
  • 2. Physical security considerations
  • 3. Differences between ICS and IT environments
ICS Incident Response and Recovery- Detection and Analysis
  • 1. Monitoring and anomaly detection
  • 2. Forensics and evidence collection
- Recovery and Continuity
  • 1. Process continuity and restoration
  • 2. Disaster recovery planning
- Incident Response Planning
  • 1. ICS-specific IR requirements and priorities
  • 2. Coordination between IT and OT teams
ICS Security Architecture and Defense- Defense-in-Depth Strategies
  • 1. Perimeter and internal security controls
  • 2. Network segmentation and access control
- Wireless and Remote Access Security
  • 1. Wireless technologies in ICS
  • 2. Secure remote access methods
- System and Device Hardening
  • 1. Secure configuration and patch management
  • 2. Firmware and software security
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 Threats, Vulnerabilities, and Risk Management- 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
- Vulnerabilities and Attack Surfaces
  • 1. Attack vectors and exploitation methods
  • 2. Common vulnerabilities in ICS components

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GICSP Prüfungs-Guide - GICSP Online Prüfung

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GIAC Global Industrial Cyber Security Professional (GICSP) GICSP Prüfungsfragen mit Lösungen (Q67-Q72):

67. Frage
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?

Antwort: D

Begründung:
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


68. Frage
What is a use of Network Address Translation?

Antwort: A

Begründung:
Network Address Translation (NAT) is a technique used to hide private IP addresses behind a public IP address (C), providing security benefits by masking internal network structures from external networks. NAT also conserves public IP addresses and allows multiple devices to share a single IP when accessing external networks.
While NAT affects routing and firewall operations, its primary purpose is not to maximize firewall functionality (A), simplify access lists (B), or enable routing (D), although it may indirectly impact these functions.
GICSP training stresses NAT as part of network security design, especially at the boundary between enterprise and ICS networks.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
NIST SP 800-82 Rev 2, Section 5.5 (Network Architecture)
GICSP Training on Network Security Fundamentals


69. Frage
You are tasked with securing Level 0 and Level 1 devices in a critical ICS environment. Which of the following security measures should you implement to protect these devices from potential compromise?
(Select all that apply)
Response:

Antwort: A,C,D


70. Frage
What is the main function of level 0 in the Purdue Reference Architecture for ICS?
Response:

Antwort: B


71. Frage
The file ~, GlAC/hickory.pcap shows an attacker performing a series of Modbus read commands before attempting to overwrite existing values. Which packet number contains the first write single register command attempting the overwrite?

Antwort: D

Begründung:
Within the GICSP domain covering ICS Protocol Analysis and Incident Response, analyzing packet captures (PCAPs) is a critical skill. Modbus traffic can be observed to detect malicious activity such as unauthorized writes to registers.
The "write single register" command corresponds to Modbus function code 0x06.
By filtering Modbus packets in Wireshark and identifying the function codes, the analyst can pinpoint the exact packet where the first attempt to overwrite occurs.
Packet 72 typically corresponds to this first write operation in the "hickory.pcap" capture used in GICSP labs, as verified in official training capture examples.
This confirms the attacker's transition from reconnaissance (read commands) to active manipulation attempts, a key red flag in industrial cybersecurity.


72. Frage
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