Cyber Forensics From Data to Digital Evidence [Hardcover]

This book explains the basic principles of data as building blocks of electronic evidential matter, which are used in a cyber forensics investigations. The entire text is written with no reference to a particular operation system or environment, thus it is applicable to all work environments, cyber investigation scenarios, and technologies.  The text is written in a step-by-step manner, beginning with the elementary building blocks of data progressing upwards to the representation and storage of information.  It inlcudes practical examples and illustrations throughout to guide the reader.

Preface xiii

Acknowledgments xvii

Chapter 1: The Fundamentals of Data 1

Base 2 Numbering System: Binary and Character Encoding 2

Communication in a Two-State Universe 3

Electricity and Magnetism 3

Building Blocks: The Origins of Data 4

Growing the Building Blocks of Data 5

Moving Beyond Base 2 7

American Standard Code for Information Interchange 7

Character Codes: The Basis for Processing Textual Data 10

Extended ASCII and Unicode 10

Summary 12

Notes 13

Chapter 2: Binary to Decimal 15

American Standard Code for Information Interchange 16

Computer as a Calculator 16

Why Is This Important in Forensics? 18

Data Representation 18

Converting Binary to Decimal 19

Conversion Analysis 20

A Forensic Case Example: An Application of the Math 20

Decimal to Binary: Recap for Review 22