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

The presentation of digital evidence


There are two main types of testimony given by professionals at a trial, deposition, or hearing:

  • Technical or scientific witness testimony

  • Expert witness testimony

Digital forensic practitioners may be called upon to act in either or both roles. The technical or scientific witness provides evidence of facts that were uncovered during the investigation and describes what was found and how it was obtained. The expert witness provides opinion about what was observed based on experience, using deductive reasoning with observed or examined facts.

It is important to reiterate that in presenting a report or testifying in person, the practitioner must ensure that exculpatory as well as inculpatory evidence is presented to the other party. The practitioner must make the following things certain when presenting the evidence:

  • Conclusions are technically sound

  • The evidence solidly supports them and is properly preserved

  • Any exculpatory evidence that may have been found...