Book Image

Learn Computer Forensics

By : William Oettinger
Book Image

Learn Computer Forensics

By: William Oettinger

Overview of this book

A computer forensics investigator must possess a variety of skills, including the ability to answer legal questions, gather and document evidence, and prepare for an investigation. This book will help you get up and running with using digital forensic tools and techniques to investigate cybercrimes successfully. Starting with an overview of forensics and all the open source and commercial tools needed to get the job done, you'll learn core forensic practices for searching databases and analyzing data over networks, personal devices, and web applications. You'll then learn how to acquire valuable information from different places, such as filesystems, e-mails, browser histories, and search queries, and capture data remotely. As you advance, this book will guide you through implementing forensic techniques on multiple platforms, such as Windows, Linux, and macOS, to demonstrate how to recover valuable information as evidence. Finally, you'll get to grips with presenting your findings efficiently in judicial or administrative proceedings. By the end of this book, you'll have developed a clear understanding of how to acquire, analyze, and present digital evidence like a proficient computer forensics investigator.
Table of Contents (17 chapters)
1
Section 1: Acquiring Evidence
6
Section 2: Investigation
12
Section 3: Reporting

Identifying physical locations

Knowing the physical location of the system may help you prove or disprove the allegations against the subject you are investigating. There was an investigation into a compromise of the organization's network. A former employee was the suspect in the attack because of the threats they made when they were sacked. When the suspect was interviewed, he denied being in the area and stated he was out of state. A judge authorized a search warrant for the suspect's mobile device and laptop computer. When conducting the forensic analysis of the laptop, it was found to have been recently restored to a new version of the operating system. There were also artifacts in the unallocated space that led us to believe the device had been wiped. (All available sectors were overwritten with hexadecimal 00 characters). The suspect had not tampered with the mobile device, and we were able to analyze the device. We were able to map out the Wi-Fi hotspots the device...