CHFI Computer Forensics Fundamentals and Process Practice Question
A forensic investigator is documenting evidence for a case. What is the PRIMARY purpose of maintaining an unbroken chain of custody for digital evidence?
⚠ Common exam trap
EC-Council often tests the distinction between the operational benefit (tracking location) and the legal purpose (proving integrity), so candidates mistakenly choose Option A because they focus on the logistical aspect rather than the evidentiary admissibility requirement.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To prove that the evidence has not been altered or tampered with.
The primary purpose of maintaining an unbroken chain of custody is to establish the integrity and authenticity of digital evidence by documenting every person who handled it, every transfer, and every access event. This documentation allows the court to verify that the evidence has not been altered, tampered with, or corrupted from the moment of seizure through analysis and presentation. Without a provable chain of custody, the evidence may be deemed inadmissible under rules like Federal Rule of Evidence 901 or similar standards in other jurisdictions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To track the storage location of the evidence.
Why it's wrong here
Storage location is part of it, but not the primary purpose.
- ✓
To prove that the evidence has not been altered or tampered with.
Why this is correct
Chain of custody establishes that evidence is authentic and unchanged.
- ✗
To speed up the investigation process.
Why it's wrong here
Chain of custody adds documentation steps, not speed.
- ✗
To assign responsibility for the evidence to a single individual.
Why it's wrong here
Multiple individuals may handle evidence; the chain documents all.
Go deeper
Related to this question
Learn chapter
Legal and Ethical Issues in Digital Forensics
Key term
Chain of custody
Chain of custody is a documented process that tracks the handling, transfer, and possession of evidence or digital assets from the moment they are collected until they are presented in court or used in an investigation.
Key term
Evidence Admissibility
Evidence admissibility is the legal and technical standard that determines whether digital evidence can be used in a court of law.
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Written by Johnson Ajibi, MSc IT Security
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