Book Image

Digital Forensics and Incident Response - Third Edition

By : Gerard Johansen
5 (1)
Book Image

Digital Forensics and Incident Response - Third Edition

5 (1)
By: Gerard Johansen

Overview of this book

An understanding of how digital forensics integrates with the overall response to cybersecurity incidents is key to securing your organization’s infrastructure from attacks. This updated third edition will help you perform cutting-edge digital forensic activities and incident response with a new focus on responding to ransomware attacks. After covering the fundamentals of incident response that are critical to any information security team, you’ll explore incident response frameworks. From understanding their importance to creating a swift and effective response to security incidents, the book will guide you using examples. Later, you’ll cover digital forensic techniques, from acquiring evidence and examining volatile memory through to hard drive examination and network-based evidence. You’ll be able to apply these techniques to the current threat of ransomware. As you progress, you’ll discover the role that threat intelligence plays in the incident response process. You’ll also learn how to prepare an incident response report that documents the findings of your analysis. Finally, in addition to various incident response activities, the book will address malware analysis and demonstrate how you can proactively use your digital forensic skills in threat hunting. By the end of this book, you’ll be able to investigate and report unwanted security breaches and incidents in your organization.
Table of Contents (28 chapters)
1
Part 1: Foundations of Incident Response and Digital Forensics
6
Part 2: Evidence Acquisition
11
Part 3: Evidence Analysis
17
Part 4: Ransomware Incident Response
20
Part 5: Threat Intelligence and Hunting
Appendix

Autopsy

One alternative to commercial forensics programs is Autopsy. Autopsy is a GUI-based forensic platform based on the open source The Sleuth Kit toolset. This open source platform provides features that are commonly found in commercial platforms. This includes timeline analysis, keyword searching, web and email artifacts, and the ability to filter results on known bad file hashes. One of its key features is its ease of use. This allows incident responders to have a light platform that focuses on critical tasks and obtain the critical evidence that’s needed.

Installing Autopsy

Several of the Linux distributions we discussed previously have Autopsy preinstalled. It is good practice for responders to ensure that the platform they are using is up to date. For the Windows operating system, download the Microsoft self-installer file located at https://www.sleuthkit.org/autopsy/download.php. Once downloaded, execute the MSI file and choose an install location. Once you&...