A General Strategy for Differential Forensic Analysis
Nelson, Alex J.
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The dramatic growth of storage capacity and network bandwidth is making it increasingly difficult for forensic examiners to report what is present on a piece of subject media. Instead, analysts are focusing on what characteristics of the media have changed between two snapshots in time. To date different algorithms have been implemented for performing differential analysis of computer media, memory, digital documents, network traces, and other kinds of digital evidence. This paper presents an abstract differencing strategy and applies it to all of these problem domains. Use of an abstract strategy allows the lessons gleaned in one problem domain to be directly applied to others.
DFRWS 2012, Aug. 6-8, 2012, Washington, DC.The article of record as published may be found at http://dx.doi.org/10.1016/j.diin.2012.05.003Refereed Conference Paper