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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

Sourcing threat intelligence

There are three primary sources of threat intelligence that an organization can leverage. Threat intelligence can be produced by the organization in an internal process, acquired through open source methods, or, finally, through third-party threat intelligence vendors. Each organization can utilize its own internal processes to determine what its needs are and what sources to leverage.

Internally developed sources

The most complex threat intelligence sources are those that an organization internally develops. This is due to the infrastructure that is needed to obtain the individual IOCs from malware campaigns and TTPs from threat actors. To obtain IOCs, the organization can make use of honeypots or other deliberately vulnerable systems to acquire unique malware samples. They will also need to have the expertise and systems available to not only evaluate suspected malware but reverse engineer it. From there, they would be able to extract the individual...

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