Study and Prepare with GIAC GCIA study material, That's Easy to pass With PracticeMaterial!
Updated: Aug 29, 2026
No. of Questions: 508 Questions & Answers with Testing Engine
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Reference: http://www.giac.org/certification/certified-intrusion-analyst-gcia
| Certification Vendor: | GIAC (Global Information Assurance Certification) |
|---|---|
| Exam Name: | GIAC Certified Intrusion Analyst (GCIA) |
| Exam Number: | GCIA |
| Available Languages: | English |
| Exam Duration: | 240 minutes |
| Real Exam Qty: | 106 |
| Exam Format: | Multiple Choice, Open Book, CyberLive Practical Tasks, Proctored |
| Passing Score: | 67% |
| Related Certifications: | GCIH GCDA GCWN GCFA |
| Certificate Validity Period: | 4 years |
| Exam Price: | $999 USD |
| Recommended Training: | SANS SEC503: Network Monitoring and Threat Detection In-Depth |
| Exam Registration: | GIAC Official Registration Pearson VUE Scheduling |
| Sample Questions: | GIAC GCIA Sample Questions |
| Exam Way: | Web-based proctored exam: remote via ProctorU or on-site at Pearson VUE centers |
| Pre Condition: | No formal prerequisites; completion of SANS SEC503 recommended; basic TCP/IP and security knowledge advised |
| Official Syllabus URL: | https://www.giac.org/certifications/certified-intrusion-analyst-gcia/ |
Advantages of the GIAC certification in information security for individuals. For system and network administrators and security professionals, the program offers additional guarantees of knowing what activities should be carried out to protect systems and networks and of having the necessary skills to perform these activities.
| Topic | Details |
|---|---|
| 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. |
| Wireshark Fundamentals | - The candidate will demonstrate skill associated with traffic analysis using Wireshark with an intermediate degree of proficiency. |
| Concepts of TCP/IP and the Link Layer | - The candidate will demonstrate understanding of the TCP/IP communications model and link layer operations. |
| Network Traffic Analysis | - The candidate will demonstrate the ability to analyze network and application traffic to identify both normal and malicious behaviors. |
| Silk and Other Traffic Analysis Tools | - The candidate will demonstrate an understanding of SiLK and other tools to perform network traffic and flow analysis. |
| TCP | - The candidate will demonstrate understanding of the TCP protocol and the ability to discern between typical and anomalous behavior. |
| Tcpdump Filters | - The candidate will demonstrate ability to craft tcpdump filters that match on given criteria. |
| Advanced IDS Concepts | - The candidate will demonstrate an understanding of IDS tuning methods and correlation issues. |
| IDS Rules | - The candidate will create effective IDS rules to detect varied types of malicious activity. |
| 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. |
| Packet Engineering | - The candidate will demonstrate knowledge relating to packet crafting and manipulation. |
| Fragmentation | - The candidate will demonstrate understanding of how fragmentation works, and how to identify fragmentation and fragmentation-based attacks in packet captures. |
| 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. |
| Application Protocols | - The candidate will demonstrate knowledge and skill relating to application layer protocol dissection and analysis. |
| DNS | - The candidate will demonstrate an understanding of how DNS works for both legitimate and malicious purposes. |
| UDP and ICMP | - The candidate will demonstrate understanding of the UDP and ICMP protocols and the ability to discern between typical and anomalous behavior. |
| IPv6 | - The candidate will demonstrate knowledge of IPv6 and how it differs from IPv4. |
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