Topic
Digital forensics
About: Digital forensics is a research topic. Over the lifetime, 4270 publications have been published within this topic receiving 49676 citations. The topic is also known as: digital forensic science & Digital forensics.
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12 Dec 2008
TL;DR: Experimental results demonstrate the validity of the proposed approach to tampered images undergone some attacks like Gaussian blur filtering, Gaussian white noise contamination, lossy JPEG compression, etc.
Abstract: Detecting tampered regions and proving the authenticity and integrity of a digital image becomes increasingly important in digital forensics and multimedia security. In this paper we propose a novel framework for identifying the location of copy-move image tampering by applying the singular value decomposition(SVD). In the proposed passive techniques, SVD served to produce algebraic and geometric invariant and feature vectors. Experimental results demonstrate the validity of the proposed approach to tampered images undergone some attacks like Gaussian blur filtering, Gaussian white noise contamination, lossy JPEG compression, etc.
160 citations
01 Jan 2011
TL;DR: This model attempts to address some of the shortcomings of previous methodologies, and provides the following advantages: a consistent, standardized and systematic framework for digital forensic investigation process.
Abstract: Law practitioners are in a uninterrupted battle with criminals in the application of digital/computer technologies, and require the development of a proper methodology to systematically search digital devices for significant evidence. Computer fraud and digital crimes are growing day by day and unfortunately less than two percent of the reported cases result in confidence. This paper explores the development of the digital forensics process model, compares digital forensic methodologies, and finally proposes a systematic model of the digital forensic procedure. This model attempts to address some of the shortcomings of previous methodologies, and provides the following advantages: a consistent, standardized and systematic framework for digital forensic investigation process; a framework which work systematically in team according the captured evidence; a mechanism for applying the framework to according the country digital forensic investigation technologies; a generalized methodology that judicial members can use to relate technology to non-technical observers. This paper present a brief overview of previous forensic models and propose a new model inspired from the DRFWS Digital Investigation Model, and finally compares it with other previous model to show relevant of this model. The proposed model in this paper explores the different processes involved in the investigation of cyber crime and cyber fraud in the form of an eleven-stage model. The Systematic digital forensic investigation model (SDFIM) has been developed with the aim of helping forensic practitioners and organizations for setting up appropriate policies and procedures in a systematic manner.
159 citations
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TL;DR: This issue is one of a pair of coordinated special issues on digital forensics by IEEE Security & Privacy and IEEE Signal Processing Magazine and has articles debating the effectiveness of forensics, on capturing live forensics analysis of computers, on the new Microsoft Office file formats and their implications on forensics.
Abstract: This issue is one of a pair of coordinated special issues on digital forensics by IEEE Security & Privacy and IEEE Signal Processing Magazine. S&P's special issue has articles debating the effectiveness of forensics, on capturing live forensics analysis of computers, on the new Microsoft Office file formats and their implications on forensics, on licensing issues for digital forensics investigators, and finally a review article on the use of hashing in forensics.
158 citations
01 Jan 2016
158 citations
TL;DR: The results indicated that education/training and certification were the most reported issue and lack of funding was the least reported, which further support the criticism that there is a disproportional focus on the applied aspects of computer forensics, at the expense of the development of fundamental theories.
157 citations