M00017891
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ISO/IEC FDIS 27042 2015 Edition, March 6, 2015 INFORMATION TECHNOLOGY - SECURITY TECHNIQUES - GUIDELINES FOR THE ANALYSIS AND INTERPRETATION OF DIGITAL EVIDENCE
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Availability date: 07/14/2021
Description / Abstract:
This International Standard provides guidance on the analysis
and interpretation of digital evidence in a manner which addresses
issues of continuity, validity, reproducibility, and repeatability.
It encapsulates best practice for selection, design, and
implementation of analytical processes and recording sufficient
information to allow such processes to be subjected to independent
scrutiny when required. It provides guidance on appropriate
mechanisms for demonstrating proficiency and competence of the
investigative team.
Analysis and interpretation of digital evidence can be a complex
process. In some circumstances, there can be several methods which
could be applied and members of the investigative team will be
required to justify their selection of a particular process and
show how it is equivalent to another process used by other
investigators. In other circumstances, investigators may have to
devise new methods for examining digital evidence which has not
previously been considered and should be able to show that the
method produced is "fit for purpose".
Application of a particular method can influence the
interpretation of digital evidence processed by that method. The
available digital evidence can influence the selection of methods
for further analysis of digital evidence which has already been
acquired.
This International Standard provides a common framework, for the
analytical and interpretational elements of information systems
security incident handling, which can be used to assist in the
implementation of new methods and provide a minimum common standard
for digital evidence produced from such activities.