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Digital Forensics and Incident Response

Digital Forensics and Incident Response

By : Gerard Johansen
4.9 (15)
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Digital Forensics and Incident Response

Digital Forensics and Incident Response

4.9 (15)
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)
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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

Acquiring Host-Based Evidence

Host systems are the targets of malicious actions far too often. Host systems represent a possible initial target so that someone can gain a foothold in the network or a pivot point for additional attacks, or the end goal of threat actors. As a result, incident response analysts should be prepared to investigate these systems. Modern operating systems such as Microsoft Windows create a variety of evidentiary artifacts during the execution of an application, when changes to files are made, or when user accounts are added. All these changes leave traces of activity that can be evaluated by incident response analysts. The amount of data that’s available to incident response analysts is increasing as storage and memory in even the lowest-cost consumer systems continue to expand. Commonly available systems are routinely manufactured with extensive memory and storage in terabytes; there is a great deal of data that could assist incident responders in...

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