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

Defining digital evidence


Digital evidence is information in digital form found on a wide range of computer devices; in fact, it is anything that has a microchip or has been processed by one and then stored on other media. Digital data is a numerical representation that is usually in binary form, as distinct from electronic data stored in analog form. It has been alleged that an Australian narcotics trafficker concealed a spreadsheet of his customers and transactions inside a microchip implanted in his pet dog. It was uncovered when a canny police officer queried the presence of a microchip implant gun, readily available online for a modest cost, in the suspect's premises. This discovery prompted minor surgery on the dog to remove the tag, which was later found to contain the incriminating information in the form of a spreadsheet containing a list of narcotics dealers and transactions.

Evidence tendered in legal cases, such as criminal trials, is classified as witness testimony or direct...