Abstract
The expeditious improvement and advancement in technology have shaped computers as ammunition, which may lead to a huge loss if used for wrong motives. The objective of computer forensics involves correctly examine and collect the digital evidence in such a manner so that they are justifiable in court. Due to the growing importance of cyber world security and the sincerity of cybercrime, it is essential for security professionals to know the technology used in forensics and keyword searching is the most handful technique for identifying potential evidence from the pool of files. This paper aims to provide a proper understanding of regular expressions keyword search technique used in computer forensics investigation. In this paper, we perform the experiments using Prodiscover tool to reduce the search space by identifying and filtering the known files to speed up the searching process of evidence identification.
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