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


Security incidents not only produce trace evidence on host systems, but also leave traces throughout the devices and traffic flows within a network. The ability to analyze this trace evidence will allow incident response analysts to have a better understanding of what type of incident they are investigating, as well as potential actions that can be taken. This chapter addressed how to evaluate log files through the rapid process of blacklist comparison or DNS analysis to log analysis utilizing the Elastic Stack or other SIEM. Augmenting this primary method of network evidence evaluation was the inclusion of NetFlow analysis, and examining packet captures with Moloch and Wireshark. Network evidence is a critical component of incident investigation. This trace evidence, taken in conjunction with evidence obtained from potentially compromised websites, goes a long way in...