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

Summary

Planning for an incident is critical. Equally critical is the proper management of an incident. This involves several elements that each CSIRT must address during the life of an incident.

Proper logistics provide the necessary elements for the CSIRT to function. Having strategies to communicate incident information to leadership, third parties, and customers keeps these stakeholders informed, lessens speculation, and ensures that compliance requirements are met. Incident investigation allows the CSIRT to properly identify the attack and the scope and limit damage via a proper containment strategy. Finally, these elements are all part of eradicating an adversary’s ability to access a network and helping an organization to return to normal. As we stated at the beginning of this book, everyone has a plan until they get hit in the face. The real value of a CSIRT to an organization is not in the plans and playbooks, but in how well they perform when an incident occurs...