GIAC Certified Intrusion Analyst : GCIA

GCIA real exams

Exam Code: GCIA

Exam Name: GIAC Certified Intrusion Analyst

Updated: Sep 13, 2026

Q & A: 508 Questions and Answers

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About GIAC GCIA Exam

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GCIA Evaluation Structure

As mentioned earlier, the GCIA exam is necessary for obtaining the GIAC Certified Intrusion Analyst certification. Luckily though, this is the only exam necessary for obtaining this designation. When it comes to the structure, the candidates should know that this is a proctored exam. Also, the exam-takers will need to pay a registration fee. Its value is $1,999. As for the number of questions, this validation includes 100 to 150 inquiries. The time allotted for any candidate who takes the GIAC GCIA exam is 240 minutes. During this time, the examinees will need to answer as many questions as possible and obtain a minimum passing score of 68%.

GCIA Certified Professional Salary

  • United States: $88,500
  • India:₹628736
  • England: £67995
  • Europe:€79795

How much GCIA Exam cost

The price of the GCIA exam is $1,899.labotarty exam of GCIA is $2,459 and written exam has cost $499

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

GIAC GCIA Exam Syllabus Topics:

TopicDetails
Network Traffic Analysis- The candidate will demonstrate the ability to analyze network and application traffic to identify both normal and malicious behaviors.
Concepts of TCP/IP and the Link Layer- The candidate will demonstrate understanding of the TCP/IP communications model and link layer operations.
IDS Rules- The candidate will create effective IDS rules to detect varied types of malicious activity.
IPv6- The candidate will demonstrate knowledge of IPv6 and how it differs from IPv4.
Packet Engineering- The candidate will demonstrate knowledge relating to packet crafting and manipulation.
DNS- The candidate will demonstrate an understanding of how DNS works for both legitimate and malicious purposes.
Silk and Other Traffic Analysis Tools- The candidate will demonstrate an understanding of SiLK and other tools to perform network traffic and flow analysis.
Tcpdump Filters- The candidate will demonstrate ability to craft tcpdump filters that match on given criteria.
TCP- The candidate will demonstrate understanding of the TCP protocol and the ability to discern between typical and anomalous behavior.
Application Protocols- The candidate will demonstrate knowledge and skill relating to application layer protocol dissection and analysis.
Wireshark Fundamentals- The candidate will demonstrate skill associated with traffic analysis using Wireshark with an intermediate degree of proficiency.
IP Headers- The candidate will demonstrate the ability to dissect IP packet headers and analyze them for normal and anomalous values that may point to security issues.
Advanced IDS Concepts- The candidate will demonstrate an understanding of IDS tuning methods and correlation issues.
Advanced Analysis and Network Forensics- The candidate will demonstrate competence in analyzing data from multiple sources (e.g. full packet capture, netflow, log files) as part of a forensic investigation.
UDP and ICMP- The candidate will demonstrate understanding of the UDP and ICMP protocols and the ability to discern between typical and anomalous behavior.
Fragmentation- The candidate will demonstrate understanding of how fragmentation works, and how to identify fragmentation and fragmentation-based attacks in packet captures.
IDS Fundamentals and Network Architecture- The candidate will demonstrate knowledge of fundamental IDS concepts, such as network architecture options and benefits/weaknesses of common IDS systems.

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