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)
1
Section 1: Foundations of Incident Response and Digital Forensics
5
Section 2: Evidence Acquisition
9
Section 3: Analyzing Evidence
15
Section 4: Specialist Topics
Appendix

Understanding threat intelligence

Like some terms in information security and incident response, threat intelligence is a bit nebulous. Various organizations such as the government and academics produce information and data that is often touted as threat intelligence. Various commercial providers also have information available, either through free or paid subscriptions, that is touted as threat intelligence. This often results in difficulty when determining what threat intelligence is and what, simply, data or information is.

A good starting point to determine what comprises threat intelligence is to utilize a definition. Here is the Gartner research company's definition of threat intelligence:

"Threat intelligence is evidence-based knowledge, including context, mechanisms, indicators, implications, and actionable advice, about an existing or emerging menace or hazard...