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Learn Computer Forensics

You're reading from Learn Computer Forensics

Product type Book

Published in Apr 2020

Publisher Packt

ISBN-13 9781838648176

Pages 368 pages

Edition 1st Edition

Languages

Concepts

Author (1):

William Oettinger

Table of Contents (17) Chapters

Preface

1. Section 1: Acquiring Evidence

2. Chapter 1: Types of Computer-Based Investigations

3. Chapter 2: The Forensic Analysis Process

4. Chapter 3: Acquisition of Evidence

5. Chapter 4: Computer Systems

6. Section 2: Investigation

7. Chapter 5: Computer Investigation Process

8. Chapter 6: Windows Artifact Analysis

9. Chapter 7: RAM Memory Forensic Analysis

10. Chapter 8: Email Forensics – Investigation Techniques

11. Chapter 9: Internet Artifacts

12. Section 3: Reporting

13. Chapter 10: Report Writing

14. Chapter 11: Expert Witness Ethics

15. Assessments

16. Other Books You May Enjoy

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Understanding filesystems

A hard drive can have multiple partitions on it, and, in each partition, there will be (in most cases) a filesystem. There might be hundreds of thousands to millions of files contained within a partition. The filesystem tracks where every file is and how much space is available within the partition boundaries.

We discussed sectors earlier in the Hard drives section, and they are the smallest units that are available to store data. The filesystem stores data based on clusters. Clusters are one or more sectors. A cluster is the smallest allocation unit the filesystem can write to. Now, there are many filesystems available, and some are restricted to specific operating systems unless the user enables drivers that will allow the operating system to read the filesystem.

We will now look at some of the common filesystems you may encounter.

The FAT filesystem

The File Allocation Table (FAT) filesystem has been around since the early days...

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Authors (1)

William Oettinger

William Oettinger is a veteran technical trainer and investigator. He is a retired police officer with the Las Vegas Metropolitan Police Department and a retired CID agent with the United States Marine Corps. He is a professional with over 20 years of experience in academic, local, military, federal, and international law enforcement organizations, where he acquired his multifaceted experience in IT, digital forensics, security operations, law enforcement, criminal investigations, policy, and procedure development. He has earned an MSc from Tiffin University, Ohio. When not working, he likes to spend time with his wife and his three miniature schnauzers.

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