What is a primary responsibility of a Digital Evidence First Responder (DEFR)?

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BlackTom AI · Accepted Answer

The question asks: What is a primary responsibility of a Digital Evidence First Responder (DEFR)?

First, I note that the provided options list is empty in the data given. Without the explicit list of answer choices, I cannot enumerate and compare each option directly. Nevertheless, we know that the supplied 'answer' field identifies the correct option as 'b. Ensuring the integrity and authenticity of potential digital evidence.'

To understand why this is a valid primary responsibility, consider the role of a DEFR in digital forensics and incident response. A DEFR is tasked with preserving the evidentiary value of digital materials at the earliest possible moment. The cornerstone of that preservation is maintaining integrity and authenticity so that the evidence remains admissible in investigations or court proceedings. This includes actions such as securing the scene, preventing contamination or modification, documenting the state of devices and data, creating provable hash values, and ensuring chain-of-custody practices are established from the outset. By focusing on integrity (preventing unauthorized changes) and authenticity (able to prove the evidence is genuine and unaltered), a DEFR helps ensure that later analysis is credible and legally defensible.

If we were to consider typical alternative options in this domain, common misconceptions might include:
- Focusing primarily on collecting as much data as possible without regard to provenance or integrity; this is incorrect because volume does not compensate for poor preservation and chain of custody.
- Prioritizing speed over accuracy; while rapid actions are important, compromising integrity or authenticity would undermine the evidentiary value.
- Limiting actions to recover only user-generated documents; in practice, metadata, system logs, and artefacts from volatile memory can be crucial, and their handling must preserve integrity.
- Treating digital evidence as non-admissible due to its digital nature; with proper procedures, digital evidence is admissible, and its integrity is central to that admissibility.

In summary, the DEFR’s primary responsibility centers on preserving the evidentiary value of digital materials by ensuring their integrity and authenticity from the outset, which supports reliable subsequent analysis and admissibility. However, since the actual alternative options are not provided in the data, a direct per-option comparison cannot be completed here.

If you supply the full list of answer options, I can perform a concrete, side-by-side analysis of each choice, highlighting why option b is correct and why the others are not.

计算机犯罪与数字证据（202504-L州）

What is a primary responsibility of a Digital Evidence First Responder (DEFR)?

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