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SY0-301 · Question #47

In the initial stages of an incident response, Matt, the security administrator, was provided the hard drives in question from the incident manager. Which of the following incident response…

The correct answer is A. Take hashes D. Capture the system image. Before analyzing forensic evidence, the examiner must capture a bit-for-bit image of each drive and hash both the original and image to verify integrity and preserve evidence for legal admissibility.

Security operations

Question

In the initial stages of an incident response, Matt, the security administrator, was provided the hard drives in question from the incident manager. Which of the following incident response procedures would he need to perform in order to begin the analysis? (Select TWO).

Options

  • ATake hashes
  • BBegin the chain of custody paperwork
  • CTake screen shots
  • DCapture the system image
  • EDecompile suspicious files

How the community answered

(17 responses)
  • A
    82% (14)
  • B
    12% (2)
  • C
    6% (1)

Why each option

Before analyzing forensic evidence, the examiner must capture a bit-for-bit image of each drive and hash both the original and image to verify integrity and preserve evidence for legal admissibility.

ATake hashesCorrect

Taking cryptographic hashes (such as MD5 or SHA-256) of the original drives creates a verifiable fingerprint that proves the evidence has not been altered, which is essential for forensic integrity and court admissibility.

BBegin the chain of custody paperwork

Chain of custody documentation should have begun the moment the drives were collected, not at the analysis stage - it was already initiated before the drives were handed over.

CTake screen shots

Screenshots capture live screen state and are not applicable to offline hard drives that have already been removed from a running system.

DCapture the system imageCorrect

Capturing a forensic system image creates an exact bit-level copy on which all analysis is performed, preserving the original evidence untouched and ensuring that the investigation process itself cannot alter or destroy potential evidence.

EDecompile suspicious files

Decompiling suspicious files is a deeper analysis step that occurs after the image has been captured and verified, not during the initial preparation phase.

Concept tested: Digital forensics - imaging and hashing evidence before analysis

Source: https://www.nist.gov/system/files/documents/2017/05/09/SP800-86.pdf

Topics

#incident response#digital forensics#system image capture#file hashing

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