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In the courtroom, if the defendant questions the chain of custody of the evidence it can be proven that the knife in the evidence room is the same knife found at the crime scene. However, if there are discrepancies and it cannot be proven who had the knife at a particular point in time, then the chain of custody is broken and the defendant can ...
Computer forensics (also known as computer forensic science) [1] is a branch of digital forensic science pertaining to evidence found in computers and digital storage media. The goal of computer forensics is to examine digital media in a forensically sound manner with the aim of identifying, preserving, recovering, analyzing, and presenting ...
Mobile device forensics is a sub-branch of digital forensics relating to recovery of digital evidence or data from a mobile device. It differs from Computer forensics in that a mobile device will have an inbuilt communication system (e.g. GSM) and, usually, proprietary storage mechanisms. Investigations usually focus on simple data such as call ...
A Tableau forensic write blocker. The digital forensic process is a recognized scientific and forensic process used in digital forensics investigations. [1] [2] Forensics researcher Eoghan Casey defines it as a number of steps from the original incident alert through to reporting of findings. [3]
Therefore, establishing a clear chain of custody and demonstrating that the evidence presented is unchanged from its original state is crucial. To address this issue, commercial software technology solutions have been developed to preserve digital evidence in its original form and authenticate it for admissibility in court disputes.
This required the computer forensic investigator to have a good deal of experience and training in: Identifying which computer, applications or devices may be involved; How to disassemble a computer and extract the hard drives of the computer without causing damage. How to correctly take a forensic image to keep chain of custody
The reduction in the handling of the original evidence lessens the likelihood of deliberate tampering or accidental contamination and reduces chain of custody requirements and overheads. While the chain of custody stops with the presentation, accountability and responsibility remain until the evidence is disposed of.
EnCase is the shared technology within a suite of digital investigations products by Guidance Software (acquired by OpenText in 2017 [2]).The software comes in several products designed for forensic, cyber security, security analytics, and e-discovery use.