GICSP Free Sample Questions & Latest GICSP Exam Book

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GIAC GICSP Exam Syllabus Topics:

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

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GIAC Global Industrial Cyber Security Professional (GICSP) Sample Questions (Q50-Q55):

NEW QUESTION # 50
Which key component of an incident response plan outlines how an organization will communicate internally and externally during an incident?
Response:

Answer: A


NEW QUESTION # 51
An attacker writes a program that enters a large number of characters into the password field of a website, followed by a command. The website gave him administrative access, even though he did not use a valid username or password.
What is the name of this attack?

Answer: D

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
This is a classic description of a buffer overflow attack (B), where an attacker inputs excessive data into a field to overwrite memory and inject commands, potentially gaining unauthorized access.
(A) Man-in-the-Middle intercepts communications but doesn't involve input fields directly.
(C) Cross-site scripting involves injecting malicious scripts into web pages viewed by other users.
(D) Fuzzing is a testing technique, not an attack that grants access.
GICSP highlights buffer overflows as a critical vulnerability affecting ICS software and web interfaces.


NEW QUESTION # 52
What can be configured on the router so that it can most effectively implement and enforce zones for the shown subnets?

Answer: B

Explanation:
The diagram shows multiple subnets/zones (Levels 0-3) connected via routers and switches. To enforce traffic flow policies between these zones/subnets, the router should implement Access Control Lists (ACLs) (B).
ACLs can:
Filter traffic between subnets based on IP addresses, ports, and protocols Enforce security boundaries as per ICS segmentation principles (A) MAC-based port security controls device-level access but is less effective for inter-subnet traffic control.
(C) Secure Shell (SSH) is for secure device management, not traffic control.
(D) 802.1x provides port-based network access control but is less relevant for routing traffic between subnets.
GICSP highlights ACLs as fundamental tools for network segmentation enforcement in ICS.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
NIST SP 800-82 Rev 2, Section 5.5 (Network Segmentation and Filtering)
GICSP Training on Network Security Controls


NEW QUESTION # 53
How is a WirelessHART enabled device authenticated?

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
WirelessHART is a secure, industrial wireless protocol widely used in process control. Its security architecture uses a layered approach including encryption and authentication mechanisms to protect communications.
WirelessHART devices authenticate by first using a join key, which is a shared secret configured in both the device and the network manager. The device uses this join key to send an encrypted request to the network manager.
Upon successful authentication, the device receives the network key, which is used for encrypting ongoing communications within the network.
This method ensures that only authorized devices can join the network and participate in secure communications.
WPA2 (A) is a Wi-Fi standard, not used in WirelessHART; the vendor hard-coded master key (C) is discouraged due to security risks; and PIN plus MAC address (D) is not a WirelessHART authentication method.
This procedure is detailed in the GICSP's ICS Security Architecture domain, highlighting wireless device authentication protocols as per WirelessHART specifications.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
WirelessHART Specification (HART Communication Foundation)
GICSP Training Module on Wireless Security and Protocols


NEW QUESTION # 54
Which of the following is part of the Respond function of the NIST CSF (cybersecurity framework)?

Answer: A

Explanation:
The Respond function of the NIST Cybersecurity Framework (CSF) focuses on activities to contain, mitigate, and eradicate incidents once detected.
Performing forensic analysis and eradicating malware (B) falls clearly within the Respond function.
(A) Discovering malicious activity is part of the Detect function.
(C) Restoring from backup is part of the Recover function.
(D) Limiting user access is a Preventive control under the Protect function.
GICSP training maps ICS security activities to the NIST CSF to guide structured incident response.
Reference:
GICSP Official Study Guide, Domain: ICS Security Operations & Incident Response NIST CSF Framework (Respond Function) GICSP Training on Incident Handling and Response


NEW QUESTION # 55
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