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GIAC GCIA Exam Overview:
| Certification Vendor: | GIAC (Global Information Assurance Certification) |
|---|---|
| Exam Name: | GIAC Certified Intrusion Analyst (GCIA) |
| Exam Number: | GCIA |
| Certificate Validity Period: | 4 years |
| Passing Score: | 67% |
| Exam Format: | Open Book, Proctored, Multiple Choice, CyberLive Practical Tasks |
| Exam Price: | $999 USD |
| Available Languages: | English |
| Exam Duration: | 240 minutes |
| Real Exam Qty: | 106 |
| Related Certifications: | GCWN GCDA GCFA GCIH |
| Recommended Training: | SANS SEC503: Network Monitoring and Threat Detection In-Depth |
| Exam Registration: | Pearson VUE Scheduling GIAC Official Registration |
| 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/ |
GIAC GCIA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Intrusion Detection | 15% | - Covert channels and encrypted traffic analysis - Detecting APTs, lateral movement and beaconing - Threat intelligence mapping and MITRE ATT&CK |
| Topic 2: Traffic Analysis & Protocol Fundamentals | 25% | - Protocol state machines and normal behavior - TCP/IP model and link layer operations - Packet fragmentation, TTL, checksums and anomalies - IP, IPv6, TCP, UDP, ICMP header analysis |
| Topic 3: Application Protocol Analysis | 20% | - HTTP, DNS, SMTP, FTP and SSH traffic analysis - Data exfiltration and tunneling indicators - Anomaly detection in application-layer communications |
| Topic 4: IDS/IPS Concepts & Signatures | 20% | - Snort and Zeek rule writing and optimization - Detection logic, evasion and correlation - IDS/IPS architecture, deployment and tuning |
| Topic 5: Network Forensics & Incident Analysis | 5% | - Identifying attack vectors and compromise indicators - Reconstructing incidents from captures and logs |
| Topic 6: Traffic Analysis Tools & Techniques | 15% | - Wireshark, tcpdump, filter creation and packet inspection - Flow analysis with SiLK and NetFlow/IPFIX - Full packet capture and log correlation |
GCIA Exam Questions Answered: GIAC Candidates' FAQ
GIAC Certified Intrusion Analyst is an official exam run by GIAC (Global Information Assurance Certification) under exam code GCIA. Passing it awards the GIAC Certified Intrusion Analyst certification, which sits at the Practitioner / Intermediate to Advanced tier. It also counts toward related credentials such as GCIH, GCFA, GCWN, GCDA. Certified professionals remain in shorter supply than the market wants, which is precisely why this exam keeps showing up in conversations about better roles and better pay.
The GIAC Certified Intrusion Analyst exam gives you 240 minutes to work through 106 questions. That is a tight ratio, and it punishes candidates who get emotionally attached to any single item. The fix is mechanical: answer what you know, flag what you do not, and keep moving. A few full-length timed runs in the Actual4Exams test engine, with its randomized question order, will calibrate your pace far better than untimed reading ever could.
The official fee for GIAC Certified Intrusion Analyst is $999 USD, and 67% is what passing takes. The uncomfortable part: retakes cost the full $999 USD again, which makes preparation the cheapest line item in this whole project. Before booking, put yourself through repeated scored sessions with the Actual4Exams practice tests and compare results over time; a stable margin above the passing line, not a single lucky run, is when you are ready.
No formal prerequisites; completion of SANS SEC503 recommended; basic TCP/IP and security knowledge advised
Vendor rules do get revised, so treat this as your starting point and confirm the current eligibility details before booking via the official exam page.
GIAC Certified Intrusion Analyst registration runs through these official channels.
Worth noting when you schedule: the exam is delivered Web-based proctored exam: remote via ProctorU or on-site at Pearson VUE centers.
Yes, GIAC (Global Information Assurance Certification) points GIAC Certified Intrusion Analyst candidates toward the following training.
Whatever course you choose, close the loop with question practice: the 508 items in the Actual4Exams GCIA package convert course knowledge into exam-day scoring ability.
It is. Actual4Exams publishes a free PDF demo of the GIAC Certified Intrusion Analyst material, so the product can prove itself before you pay. Your purchase then comes with 365 days of free updates, and once that period ends, extending the update service costs 50% of the regular price. The test engine software itself is verified malware-free and safe to install.
Actual4Exams stands behind the product with a 100% money-back guarantee under defined conditions. If you take the GIAC Certified Intrusion Analyst exam within 60 days of purchase and fail, you qualify for a full refund, provided the exam corresponds to your product. Sitting the exam within 3 days of purchase does not qualify, and neither do unused downloads, free materials, or expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are resolved within 7 days. You may also choose an exchange instead of a refund: two other exam products of equal value, free, with the update service on your original purchase retained.
Delivery takes about a minute. Files unlock for instant download at payment and are emailed to you automatically; if 2 hours pass with nothing received, check spam and contact customer service. There is no installation limit, so the test engine can live on every device you own, phone included.
GIAC Certified Intrusion Analyst breaks down into 6 official domains, led by Advanced Intrusion Detection (15%), Traffic Analysis & Protocol Fundamentals (25%), and Network Forensics & Incident Analysis (5%). You will find the full topic-by-topic outline above on this page; use the weightings to budget your study hours where they pay back the most.
GIAC Certified Intrusion Analyst Sample Questions:
Question 1
Which of the following tools works by using standard set of MS-DOS commands and can create an MD5 hash of an entire drive, partition, or selected files?
A. Ontrack
B. Forensic Sorter
C. Device Seizure
D. DriveSpy
Question 2
Which of the following attacks is used to hack simple alphabetical passwords?
A. Sniffing
B. Dictionary-based attack
C. Black hat attack
D. Man-in-the-middle attack
Question 3
Adam works as a Security Administrator for Umbrella Inc. A project has been assigned to him to secure access to the network of the company from all possible entry points. He segmented the network into several subnets and installed firewalls all over the network. He has placed very stringent rules on all the firewalls, blocking everything in and out except ports that must be used.
He does need to have port 80 open since his company hosts a website that must be accessed from the Internet. Adam is still worried about programs like Hping2 that can get into a network through covert channels.
Which of the following is the most effective way to protect the network of the company from an attacker using Hping2 to scan his internal network?
A. Block all outgoing traffic on port 21
B. Block ICMP type 3 messages
C. Block all outgoing traffic on port 53
D. Block ICMP type 13 messages
Question 4
Which of the following are the two sub-layers present in Data Link layer of the OSI Reference model?
A. Data control and Media Access control
B. Machine Link control and Logical Link control
C. Logical Link control and Media Access control
D. Logical control and Link control
Question 5
With reference to the given case study, one of the security goals requires to configure a secure connection between the Boston distribution center and the headquarters. You want to implement IP filter to fulfill the security requirements. How should you implement IP filters at the headquarters?
(Click the Exhibit button on the toolbar to see the case study.)
A. Add source filters for the headquarters for UDP port 1701 and IP protocol 50.
Add destination filters for the Boston distribution center for UDP port 1701 and IP protocol 50.
B. Add source filters for the Boston distribution center for UDP port 1701 and IP protocol 50.
Add destination filters for the headquarters for UDP port 1701 and IP protocol 50.
C. Add source filters for the headquarters for UDP port 80 and IP protocol 50.
Add destination filters for the Boston distribution center for UDP port 80 and IP protocol 50.
D. Add source filters for the Boston distribution center for UDP port 80 and IP protocol 50.
Add destination filters for headquarters for UDP port 80 and IP protocol 50.
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: D | Question 4 Answer: C | Question 5 Answer: B |
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