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GIAC GICSP Exam Syllabus Topics:

SectionWeightObjectives
ICS Network Security20%- Network Segmentation and Architecture
  • 1. Purdue Enterprise Reference Architecture
  • 2. Demilitarized Zones (DMZ)
  • 3. Zone and Conduit Model
- Network Security Controls
  • 1. Intrusion Detection/Prevention Systems
  • 2. Firewalls and Access Control Lists
  • 3. Network Monitoring and Anomaly Detection
Incident Response and Recovery20%- Business Continuity and Disaster Recovery
  • 1. System Redundancy
  • 2. Testing and Validation
  • 3. Backup and Restoration Procedures
- ICS Incident Response
  • 1. Eradication and Recovery
  • 2. Incident Detection and Analysis
  • 3. Containment Strategies
ICS Threats and Vulnerabilities25%- ICS-Specific Vulnerabilities
  • 1. Protocol Vulnerabilities
  • 2. Authentication Weaknesses
  • 3. Firmware Vulnerabilities
- Common ICS Attack Vectors
  • 1. Malware targeting ICS
  • 2. Remote Access Vulnerabilities
  • 3. Supply Chain Attacks
Industrial Control Systems (ICS) Security Fundamentals15%- ICS Communication Protocols
  • 1. OPC
  • 2. Modbus
  • 3. DNP3
  • 4. EtherNet/IP
  • 5. PROFINET
- ICS Architecture and Components
  • 1. Distributed Control Systems (DCS)
  • 2. Supervisory Control and Data Acquisition (SCADA)
  • 3. Human Machine Interface (HMI)
  • 4. Programmable Logic Controllers (PLC)
ICS Risk Management and Assessment20%- Risk Assessment Methodologies
  • 1. Risk Assessment Frameworks
  • 2. IEC 62443 Standards
  • 3. NIST SP 800-82 Guidelines
- Security Controls Implementation
  • 1. Physical Controls
  • 2. Administrative Controls
  • 3. Technical Controls

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GIAC Global Industrial Cyber Security Professional (GICSP) Sample Questions (Q86-Q91):

NEW QUESTION # 86
Which type of attack could compromise Level 3 systems and affect business planning and logistics?
Response:

Answer: A


NEW QUESTION # 87
Which of the following devices would indicate an enforcement boundary?

Answer: A

Explanation:
An enforcement boundary is a control point that enforces security policies by controlling traffic or access between network zones.
A router with Access Control Lists (ACLs) (C) acts as an enforcement point by filtering traffic between networks or subnets, establishing security boundaries.
Applications with login screens (A) and antivirus on workstations (B) provide endpoint security but do not enforce network boundaries.
Switches with VLANs (D) support segmentation but do not typically enforce traffic filtering or security policies.
GICSP highlights routers and firewalls as primary enforcement boundary devices in ICS network architectures.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
NIST SP 800-82 Rev 2, Section 5.5 (Network Security Architecture)
GICSP Training on Network Segmentation and Enforcement Boundaries


NEW QUESTION # 88
Which of the following is a common vulnerability of the DNP3 protocol used in ICS environments?
Response:

Answer: C


NEW QUESTION # 89
Which of the following best describes the relationship between ICS and IT networks?
Response:

Answer: D


NEW QUESTION # 90
Which type of device is the following configuration setting from?
deny modbus function write-multiple-holdingregisters

Answer: B

Explanation:
The configuration line denies a specific Modbus function code, which is a command-level filter for industrial protocols.
This type of control is typical of an application firewall (D) designed to understand and filter industrial control system protocols at the application layer.
A network firewall (A) typically filters traffic based on IP addresses, ports, and protocols, but not protocol function codes.
NIDS (B) detects and alerts on suspicious traffic but does not usually enforce blocking rules.
SIEM (C) collects and analyzes logs, not real-time blocking.
GICSP emphasizes the role of application-layer firewalls in protecting ICS protocols like Modbus.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
NIST SP 800-82 Rev 2, Section 5.5 (Application Layer Security)
GICSP Training on ICS Protocol Security Controls


NEW QUESTION # 91
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