Contents
Chapter One: The Fundamentals of Data
Base 2 Numbering System: Binary and Character Encoding
Communication in a Two-State Universe
Building Blocks: The Origins of Data
Growing the Building Blocks of Data
American Standard Code for Information Interchange
Character Codes: The Basis for Processing Textual Data
Chapter Two: Binary to Decimal
American Standard Code for Information Interchange
Why is this Important in Forensics?
A Forensic Case Example: An Application of the Math
Decimal to Binary: Recap for Review
Chapter Three: The Power of HEX: Finding Slivers of Data
The Needle within the Haystack
Files, File Structures, and File Formats
Changing a File’s Extension to Evade Detection
Complex Files: Compound, Compressed, and Encrypted Files
Appendix 4A: Common File Extensions
Appendix 4B: File Signature Database
Appendix 4C: Magic Number Definition