What is digital forensics and
What role does it play in modern society?
Joseph M. Williams
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Date Due: _1/20/13______
The general public have a vague understanding of what digital forensic is; thanks to shows like CSI and NCIS people have an idea of the kind of work done in digital forensics. A general definition of digital forensics is that it is the process and investigative methods used to find digital evidence and prepare it for legal proceedings. This can also be applied to non-legal matters such as penetration examination of a commercial network looking for vulnerabilities. Casey (2011) explains that digital evidence can be found in different computer systems and groups the systems into three categories; open computer system, communication systems and embedded computer systems. This grouping helps further explain where and what digital forensics can be applied. Digital forensics uses scientific methods of extracting evidence from computers or other digital devices. It simples involves retrieving data from existing or deleted files, interpreting there meaning and putting it all together in context of an investigation. Digital forensics is a scientific process that uses analysis tools, methods and documentation to discover electronic evidence. Where other forensic sciences may alter the original media digital forensics strives to maintain the integrity of the original media and make sure it is not altered in any way. The methods used to create forensic copies of media and data keeps the integrity of the original intact. McKemmish defines...