Book Image

Digital Forensics and Incident Response - Second Edition

By : Gerard Johansen
Book Image

Digital Forensics and Incident Response - Second Edition

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 second edition will help you perform cutting-edge digital forensic activities and incident response. After focusing on the fundamentals of incident response that are critical to any information security team, you’ll move on to exploring the incident response framework. From understanding its importance to creating a swift and effective response to security incidents, the book will guide you with the help of useful examples. You’ll later get up to speed with digital forensic techniques, from acquiring evidence and examining volatile memory through to hard drive examination and network-based evidence. 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 have learned how to efficiently investigate and report unwanted security breaches and incidents in your organization.
Table of Contents (22 chapters)
Section 1: Foundations of Incident Response and Digital Forensics
Section 2: Evidence Acquisition
Section 3: Analyzing Evidence
Section 4: Specialist Topics

Malware classifications

Malicious software, or malware, is an all-encompassing term for any software that has been created to damage, disable, or produce an unwanted condition within a computer system. This definition, while functional, is also very broad in its categorization of malware. There is malware that is coded specifically to steal credit card numbers from payment systems, while other malware is utilized to take control of a system, allowing an attacker to remotely control that system. Analysts who observe these specific behaviors—such as how a compromised system sends communications out to the internet after infection, or what actions are taken on an infected system—may be able to determine the type of the malware, and what the end goal of the attacker may be.

In general, when discussing malware, the following are some of the more specific categories: