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How does combining chain of custody with digital signatures improve evidence integrity?

hard🚀 Application Q9 of 15
Cybersecurity - Digital Forensics
How does combining chain of custody with digital signatures improve evidence integrity?
AIt automatically encrypts all evidence files
BIt allows public sharing of evidence
CIt deletes evidence after verification
DIt provides proof of evidence origin and prevents tampering
Step-by-Step Solution
Solution:

  1. Step 1: Understand digital signatures in chain of custody

    Digital signatures verify who handled evidence and confirm it was not altered.

  2. Step 2: Identify benefits of combining both

    This combination strengthens proof of origin and integrity, unlike encryption or deletion.

  3. Final Answer:

    It provides proof of evidence origin and prevents tampering -> Option D

  4. Quick Check:

    Digital signatures + chain of custody = Proof and integrity [OK]
Quick Trick: Digital signatures prove origin and prevent tampering [OK]
Common Mistakes:
MISTAKES
  • Assuming digital signatures encrypt evidence
  • Thinking evidence is deleted after signing
  • Believing evidence is shared publicly

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