Computer Hacking Forensics Investigator (CHFI)

Jithu JosephJithu Joseph
5 min read

If you're looking to get certified in Computer Hacking Forensic Investigation (CHFI) from EC-Council, you're probably someone who enjoys digging deep into digital evidence, following the trails hackers leave behind, and understanding how incidents actually happened.

The CHFI certification is globally recognized and focuses on giving you the skills to investigate cybercrime, gather and preserve evidence, and understand the legal side of digital forensics. It's especially useful if you're working (or planning to work) in roles like:

  • SOC Analyst

  • Cybercrime Investigator

  • Incident Responder

  • IT Auditor

  • Law Enforcement


What CHFI Covers

CHFI goes beyond just “finding what broke.” It covers:

  • Disk, memory, and network forensics

  • Operating system artifacts and file systems

  • Anti-forensics techniques

  • Legal and evidence handling procedures

  • Tools like FTK, EnCase, Autopsy, Volatility, and more

This is not just a technical exam - it’s about thinking like an investigator.


Exam Details

Here’s what to expect:

  • Format: 150 multiple-choice questions

  • Duration: 4 hours

  • Mode: Proctored (can be taken online or at a test center)

  • Passing Score: Typically around 70%

  • Prerequisites: None officially, but it's strongly recommended you have CEH-level knowledge or real-world experience in cybersecurity


What the Exam Actually Tests

The CHFI exam isn’t about memorizing a list of tools. Instead, it asks:

  • Can you identify and preserve evidence properly in a scenario?

  • Do you know what kind of data can be recovered and from where?

  • Can you connect technical findings to legal procedures?

Some question types you’ll see:

Scenario-Based

You might get a situation where a company experienced a data breach, and you’re asked how to maintain the chain of custody or what logs to analyze.

Tool-Focused

Expect to match tools to tasks - for example, what you’d use for imaging vs memory analysis.

File Systems and Artifacts

You’ll need to understand FAT, NTFS, EXT, and HFS+ file systems, and where critical artifacts live inside an OS - like browser history, registry keys, or memory dumps.

You’ll also be asked about subpoenas, affidavits, and the legal process of handling digital evidence, especially around admissibility in court.


How to Study Without Getting Overwhelmed

This exam has over 20 modules. It can feel heavy if you try to rush it. Here’s how to break it down:

1. Build a Study Timeline That Works for You

  • 2 modules per week = finish in around 2.5 months

  • 1 module per week = around 5 months

Choose a pace based on how comfortable you already are with digital forensics.


2. Focus on These High-Yield Areas

These topics show up often and are core to real-world investigations:

  • Evidence Handling: Learn how to collect, label, preserve, and transport digital evidence - this matters both technically and legally.

  • Windows Forensics: MFT, USN journal, prefetch files, registry hives, log files - know what’s stored where and how to analyze it.

  • Memory Analysis: Get familiar with tools like Volatility and understand what kind of info (processes, network connections, injected code) can be extracted from memory.

  • File Recovery: Understand the difference between file carving, slack space analysis, and standard undelete methods.

  • Anti-Forensics: Learn about how attackers try to hide or delete traces using steganography, timestomping, alternate data streams, etc.

  • Legal Process: Be clear on the difference between civil and criminal investigations, subpoenas vs. search warrants, and how chain of custody is maintained.


3. Use Visual Aids and Flashcards

For file system structures, forensic workflows, or log file locations - visual diagrams and flowcharts help a lot. Create or download cheat sheets, and use flashcards for registry keys, forensic tools, or log paths.


4. Practice Makes You Confident

After every module, take a short quiz or practice test (10–15 questions). Sites like examtopics.com or some GitHub repos have sample questions, but be cautious - not all answers online are correct, so double-check with official content or trusted forums.


5. Create a Forensics Tools Cheat Sheet

You don’t need to know every switch or command for each tool, but you do need to know what each tool is used for. For example:

ToolPurpose
FTK ImagerDrive imaging and preview
AutopsyGUI-based disk analysis
VolatilityMemory forensics
EnCaseComprehensive forensic suite
X-WaysAdvanced disk analysis

6. Understand the Why, Not Just the What

This is probably the most important advice. The CHFI exam is not about parroting facts. It's about applying knowledge - knowing why you're doing something, not just what you’re doing.

If you understand the investigator’s mindset and how each piece of evidence fits into an incident timeline, you’ll do well.


On the Day of the Exam

  • Don’t study new material. Just review your toolkit list, flashcards, and summary notes.

  • Use the flag feature wisely. Don’t leave too many questions to come back to, but don’t waste time being stuck either.

  • Take breaks (mentally). Four hours is a long stretch. Look away from the screen every 20–30 questions to reset your focus.

  • Stay hydrated. Keep a bottle of water next to you, especially if taking it online.

  • Most importantly, trust your prep. You don’t need to know every tool in depth. You just need to understand how to think like a forensic analyst.


One More Tip

Join the community. Seriously.

Whether it's on LinkedIn, Discord, Reddit, or forums, talking to others who’ve taken the CHFI exam gives you insight you won’t find in any guide. I’ve shared a lot of cyber forensics notes on my own LinkedIn too, so feel free to connect if you want to exchange ideas or prep together.


Final Thoughts

CHFI isn’t about exploiting systems - it’s about proving what happened after something goes wrong. That shift in mindset is critical.

If you focus on understanding investigations, tools, and processes instead of trying to memorize a giant book, you’ll not only pass the exam but be better prepared for real-world roles.

Good luck on your journey - and remember, feel free to reach out if you ever need help or want to talk digital forensics.


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Written by

Jithu Joseph
Jithu Joseph

Cybersecurity enthusiast | Sharing knowledge on securing the digital future