How can the principle of reliability be ensured in digital evidence handling?

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Question: How can the principle of reliability be ensured in digital evidence handling?

Option a: 'a. By ensuring all processes used are auditable, repeatable, and produce reproducible results'  This choice emphasizes core reliability principles: auditable processes allow traceability and verification by others; repeatable steps mean that the same procedures yield the same outcomes; reproducible results enable independent validation. Together, these aspects support consistency and trust in digital evidence handling.

Option b: 'b. By collecting as much data as possible by any possible means'  While comprehensive data collection can be useful, this option ignores quality, relevance, and chain-of-custody concerns. Without defined, controlled procedures, collecting indiscriminately risks introducing contamination, errors, or unlawful data gathering, which undermines reliability rather than enhances it.

Option c: 'c. By prioritizing the collection of digital evidence based on proper research'  Prioritization based on research is valuable for efficiency and relevance, but on its own it does not ensure reliability of the processes. Reliability hinges on how evidence is handled, processed, and documented, not merely what is prioritized for collection.

Option d: 'd. By minimizing the cost of evidence collection through open source tools'  Cost considerations and tool sources matter, yet minimizing cost or relying on open source tools does not inherently guarantee reliability. Reliability requires validated methods, proper QA, and appropriate controls; cheap or open tools can still be reliable if properly vetted, but this option as stated does not address the reliability principle directly.

Overall, option a best aligns with reliability by focusing on auditable, repeatable, and reproducible processes, which collectively support trustworthy digital evidence handling. The other options describe practices that, while potentially beneficial in other respects, do not by themselves guarantee reliability and may even introduce risks if misapplied without proper controls.

Computer Crime and Digital Evidence (202504-LLecture)

How can the principle of reliability be ensured in digital evidence handling?

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