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This assignment describes Digital Evidence: Understanding the Process and Challenges. This paper outlines computer forensics, the lifecycle of computer crimes, digital information, juridical and legal issues, problems and safety. …
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Digital Evidence: Understanding The Process and Challenges
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Download file to see previous pages The rapid increase in cyber crimes is posing serious problems for criminal investigators and law enforcement personnel (Sahu, 2008, p.86). In a computer-assisted crime, the evidence is stored in computers or digital media. This paper deals with the processes and challenges involved in identifying, recovering, securing, examining, analyzing and preparing digital evidence from a crime scene.
Computer Forensics is a comparatively new branch of the crime investigational system and involves collecting digital evidence from the crime scene by the analysis of the computers systems, networks, and servers in addition to numerous other digital devices (Sahu, 2008, p.86).
Evidence in any form can be defined as “proof or probative matter that is legally presented at the trial of an issue, by the act of the parties and through the medium of witnesses, records, documents, and objects. From a computer-related crime scene, both physical and digital evidence can be collected. Physical evidence is the computers and its peripherals while digital evidence is the visuals on a monitor, the materials printed using a printer and any other form of digital storage medium (Tipton & Krause, 2007, p.2786).
There are 3 steps in this model. They are Acquire, Authenticate and Analyze. The acquire phase is the methods through which the evidence is collected from the original without any alterations and includes steps such as
The authenticate phase is verifying whether the original and the acquired evidence is the same and the analysis phase the data collected is analyzed without causing any alterations to it (Mc Combie & Warren, 2003, pp.1-2).
The model also includes certain rules. Mckemmish feels that the original digital evidence should be handled minimally and any change in the original should be accounted for. Also, the examiner should understand his knowledge limitations and should comply with the rules of the evidence (Mc Combie & Warren, 2003, p.2).  ...Download file to see next pagesRead More
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