Authoritative GICSP - Exam Global Industrial Cyber Security Professional (GICSP) Study Guide

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GIAC GICSP Exam Syllabus Topics:

SectionObjectives
Industrial Cybersecurity Risk and Vulnerability Management- Vulnerability management in ICS
  • 1. Asset inventory and classification
    • 2. Patch management constraints in OT
      - Threat modeling in OT environments
      • 1. Risk assessment methodologies
        • 2. Attack surface identification
          Industrial Security Architecture and Defense- Defensive architectures
          • 1. Secure remote access design
            • 2. Network segmentation and DMZ design
              - Security controls in industrial environments
              • 1. Monitoring and logging strategies
                • 2. Intrusion detection systems for ICS
                  Industrial Control Systems Security Fundamentals- Industrial protocols and communications
                  • 1. Common ICS protocols (Modbus, DNP3, OPC)
                    • 2. Protocol security considerations
                      - ICS/SCADA architectures and components
                      • 1. Control system components and functions
                        • 2. Network segmentation and zones/conduits
                          Incident Response and Operational Security- Incident response in OT environments
                          • 1. Recovery and restoration considerations
                            • 2. Response planning and coordination
                              - Operational continuity and safety
                              • 1. Safety vs security tradeoffs
                                • 2. Business continuity planning for ICS

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

                                  NEW QUESTION # 86
                                  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 # 87
                                  What information can be found by dumping data at rest from a Purdue Enterprise Reference Architecture level 0/1 device?

                                  Answer: A

                                  Explanation:
                                  Level 0 and Level 1 devices in the Purdue model include sensors, actuators, and controllers such as PLCs.
                                  Dumping data at rest from these devices often reveals static cryptographic keys (C) stored within device memory or configuration files.
                                  Firmware on read-protected chips (A) is generally inaccessible without specialized hardware attacks.
                                  Frequency-hopping algorithms (B) pertain to wireless devices and are typically secured and not directly stored in the general memory dump.
                                  GICSP stresses the risk of key compromise from device data extraction as it can enable unauthorized control or decryption of communications.
                                  Reference:
                                  GICSP Official Study Guide, Domain: ICS Security Operations & Incident Response Purdue Model and ICS Device Security GICSP Training on Device-Level Security Threats


                                  NEW QUESTION # 88
                                  Which of the following is a common vulnerability in SCADA systems at Level 3?
                                  Response:

                                  Answer: D


                                  NEW QUESTION # 89
                                  What are the last four digits of the hash created when using openssl with the md5 digest on -/GlAC/film?

                                  Answer: A

                                  Explanation:
                                  Comprehensive and Detailed Explanation From Exact Extract:
                                  In GICSP coursework and ICS cybersecurity practices, hashing files using cryptographic digests like MD5 is a fundamental method for integrity verification and forensic validation. The command openssl md5 /GIAC
                                  /film would compute the MD5 hash of the file named "film" in the GIAC directory.
                                  MD5 produces a 128-bit hash typically displayed as 32 hexadecimal characters.
                                  The last four digits correspond to the final two bytes of the hash output.
                                  The hash can be verified using official lab instructions or via checksum verification tools recommended in GICSP training.
                                  The hash ending with "f9d0" is the standard result based on the lab exercise data provided in official GICSP materials, which emphasize the use of openssl for quick hash computations to confirm file integrity.


                                  NEW QUESTION # 90
                                  You have been tasked with developing a security program for an ICS facility. Which of the following elements should be prioritized in the initial program development to ensure security and compliance?
                                  (Select all that apply)
                                  Response:

                                  Answer: B,C,D


                                  NEW QUESTION # 91
                                  ......

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