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

Incorporating containment strategies

Containment strategies are the actions taken during an incident to limit damage to specific systems or areas of the network. It is critical for organizations to have prepared these in the event of an incident. The rise of ransomware that combines elements of viruses and worms that can quickly spread through an organization highlights the need to rapidly contain an outbreak before it impacts a great many systems. Compounding the challenge with containment is that many enterprise IT systems utilize a "flat" topology, whereby the bulk of systems can communicate with each other. In this type of environment, ransomware and other worms can quickly propagate via legitimate protocols, such as Remote Desktop Services (RDS) or through the Server Message Block (SMB), that were popular during the WannaCry ransomware campaign, which leveraged...