Book Image

Practical Digital Forensics

By : Richard Boddington
Book Image

Practical Digital Forensics

By: Richard Boddington

Overview of this book

Digital Forensics is a methodology which includes using various tools, techniques, and programming language. This book will get you started with digital forensics and then follow on to preparing investigation plan and preparing toolkit for investigation. In this book you will explore new and promising forensic processes and tools based on ‘disruptive technology’ that offer experienced and budding practitioners the means to regain control of their caseloads. During the course of the book, you will get to know about the technical side of digital forensics and various tools that are needed to perform digital forensics. This book will begin with giving a quick insight into the nature of digital evidence, where it is located and how it can be recovered and forensically examined to assist investigators. This book will take you through a series of chapters that look at the nature and circumstances of digital forensic examinations and explains the processes of evidence recovery and preservation from a range of digital devices, including mobile phones, and other media. This book has a range of case studies and simulations will allow you to apply the knowledge of the theory gained to real-life situations. By the end of this book you will have gained a sound insight into digital forensics and its key components.
Table of Contents (18 chapters)
Practical Digital Forensics
Credits
About the Author
Acknowledgment
About the Reviewer
www.PacktPub.com
Preface
Index

Chapter 9. Validating the Evidence

The absence of a clear model of digital evidence validation is one of a number of fundamental weaknesses confronting practitioners in the emerging discipline of digital forensics. "Every case is unique!" is a common cry. Well, yes indeed, but there are so many characteristics common to most cases, and that common knowledge can be used better than it is and on a wider scale.

This chapter reflects on the fundamental idea of digital evidence analysis, which is to ensure that irrespective of the circumstances of a case and any prohibitions imposed on a practitioner, as thorough as possible an examination of the evidence is undertaken to test its authenticity, relevance, and reliability.

This chapter describes some common pitfalls that diminish the admissibility of digital evidence as well as affecting the evidentiary weight or value of evidence that has been tendered. Validating evidence relies on testing and checking it to ensure it is what it purports to be...