GIAC Network Forensic Analyst (GNFA) icon

GIAC Network Forensic Analyst (GNFA)

The GIAC Network Forensic Analyst (GNFA) certification validates a practitioner's ability to perform examinations employing network forensic artifact analysis. GNFA certification holders have demonstrated an understanding of the fundamentals of network forensics, normal and abnormal conditions for common network protocols, processes and tools used to examine device and system logs, and wireless communication and encrypted protocols.

Areas Covered

  • Network architecture, network protocols, and network protocol reverse engineering
  • Encryption and encoding, NetFlow analysis and attack visualization, security event & incident logging
  • Network analysis tools and usage, wireless network analysis, & open source network security proxies

Who is GNFA for?

  • Anyone interested in computer network intrusions and investigations who has a solid background in computer forensics, information systems, and information security
  • Incident response team members
  • Forensicators
  • Threat hunters
  • Law enforcement officers, federal agents, and detectives
  • SOC personnel
  • information security practitioners and managers
  • Network defenders and engineers
  • Information technology professionals

Exam Format

  • 1 proctored exam
  • 50 questions
  • 2 hours
  • Minimum passing score of 70%

Note: GIAC reserves the right to change the specifications for each certification without notice. Based on a scientific passing point study, the passing point for the GNFA exam has been determined to be 70% for all candidates receiving access to their certification attempts on or after December 24th, 2016. To verify the format and passing point of your specific certification attempt, read the Certification Information found in your account at


NOTE: All GIAC Certification exams are web-based and required to be proctored. There are two proctoring options: remote proctoring through ProctorU, and onsite proctoring through PearsonVUE. Click here for more information.

GIAC certification attempts will be activated in your GIAC account after your application has been approved and according to the terms of your purchase. Details on delivery will be provided along with your registration confirmation upon payment. You will receive an email notification when your certification attempt has been activated in your account. You will have 120 days from the date of activation to complete your certification attempt.

Exam Certification Objectives & Outcome Statements

  • Common Network Protocols
    The candidate will demonstrate and understanding of the behavior, security risks and controls of common network protocols.
  • Encryption and Encoding
    The candidate will demonstrate an understanding of techniques and practices used to encode and encrypt common network traffic and common attacks on these controls.
  • NetFlow Analysis and Attack Visualization
    The candidate be familiar with the use of NetFlow data and information sources to identify network attacks.
  • Network Analysis Tool and Usage
    The candidate will be familiar with open source packet analysis tools and their purpose to effectively filter and rebuild data streams for analysis.
  • Network Architecture
    The candidate will be be familiar with the process to design and deploy a network employing diverse transmission and collection technologies.
  • Network Protocol Reverse Engineering
    The candidate will be familiar with the tools and techniques required to analyze diverse protocols and data traversing a network environment.
  • Open Source Network Security Proxies
    The candidate will demonstrate an understanding of the architecture, deployment, benefits and weaknesses of network security proxies, common log formats and flow of data in a network environment.
  • Security Event and Incident Logging
    The candidate be familiar with diverse log formats, protocols and the security impact of the event generating processes. They will demonstrate an understanding of the configuration and deployment strategies to secure and position logging aggregators and collection devices throughout a network environment.
  • Wireless Network Analysis
    The candidate will be familiar with the process to identify and control the risks associated with wireless technologies, protocols and infrastructure.

Other Resources

  • Training is available in a variety of modalities including live training and OnDemand
  • Practical work experience can help ensure that you have mastered the skills necessary for certification
  • College level courses or self paced study through another program or materials may meet the needs for mastery.
  • Get information about the procedure to contest exam results.

Find Affiliate Training

Explore affiliate training options to prepare for your GIAC certification exam.