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Practical Digital Forensics

You're reading from   Practical Digital Forensics Get started with the art and science of digital forensics with this practical, hands-on guide!

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Product type Paperback
Published in May 2016
Publisher
ISBN-13 9781785887109
Length 372 pages
Edition 1st Edition
Concepts
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Author (1):
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Richard Boddington Richard Boddington
Author Profile Icon Richard Boddington
Richard Boddington
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Table of Contents (12) Chapters Close

Preface 1. The Role of Digital Forensics and Its Environment 2. Hardware and Software Environments FREE CHAPTER 3. The Nature and Special Properties of Digital Evidence 4. Recovering and Preserving Digital Evidence 5. The Need for Enhanced Forensic Tools 6. Selecting and Analyzing Digital Evidence 7. Windows and Other Operating Systems as Sources of Evidence 8. Examining Browsers, E-mails, Messaging Systems, and Mobile Phones 9. Validating the Evidence 10. Empowering Practitioners and Other Stakeholders Index

Understanding the chain of custody

Whenever possible, great care must be taken when collecting and taking lawful possession of any physical objects that may potentially be used as evidence in legal cases. There are a number of important reasons why collected evidence must be safeguarded from contamination. Preventing any intentional or unintentional tampering of the evidence is paramount. If the evidence is not maintained in pristine condition, some inconvenient and probing challenge from the opposing legal team may well be anticipated.

If the evidence is seen to be tainted in some way, then its admissibility is questionable. Not unreasonably, it should, as a matter of course, be challenged because it is possibly unreliable and its authenticity is in serious doubt. In criminal cases, where there is doubt about evidence, the jury would clearly be placed in a difficult position trying to unravel the truth and determine the reliability of a questionable exhibit. In such circumstances, the...

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