GIAC Certified Intrusion Analyst : GCIA

  • Exam Code: GCIA
  • Exam Name: GIAC Certified Intrusion Analyst
  • Updated: Sep 08, 2026
  • Q & A: 508 Questions and Answers

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About GIAC GCIA Exam Cram

GIAC GCIA Exam Certification Details:
Passing Score68%
Exam NameGIAC Certified Intrusion Analyst (GCIA)
Exam Price$2499 (USD)
Schedule ExamPearson VUE
Number of Questions100-150
Sample QuestionsGIAC GCIA Sample Questions
Duration240 mins
Exam CodeGCIA

Reference: http://www.giac.org/certification/certified-intrusion-analyst-gcia

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GCIA Exam Reference

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GIAC GCIA Exam Syllabus Topics:
SectionObjectives
Topic 1: Fundamentals of Traffic Analysis and Application Protocols- TCP
  • 1. TCP behavior analysis and anomaly identification
    - Concepts of TCP/IP and the Link Layer
    • 1. TCP/IP communications model and link layer operations
      - Application Protocols
      • 1. Application layer protocol dissection and analysis
        - IPv6
        • 1. IPv6 concepts and differences from IPv4
          - UDP and ICMP
          • 1. UDP and ICMP protocol analysis
            Topic 2: Network Traffic Forensics and Monitoring- Fragmentation
            • 1. Fragmentation analysis and fragmentation-based attacks
              - Packet Engineering
              • 1. Packet crafting and manipulation
                - Wireshark Fundamentals
                • 1. Analyzing normal and malicious network traffic
                  - SiLK and Other Traffic Analysis Tools
                  • 1. Traffic and flow analysis tools
                    - Tcpdump Filters
                    • 1. Creating tcpdump filters based on criteria
                      - Network Forensics and Traffic Analysis
                      • 1. Analyzing packet captures, NetFlow, and log data
                        - IP Headers
                        • 1. IP packet header analysis
                          Topic 3: Open-Source Intrusion Detection Systems (IDS): Snort and Zeek- Advanced IDS Concepts
                          • 1. IDS tuning methods and correlation issues
                            - IDS Fundamentals and Network Architecture
                            • 1. IDS concepts, architecture options, and deployment considerations
                              - Intrusion Detection System Rules
                              • 1. Creating IDS rules to detect malicious activity

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