Computer Forensics: Incident Response Essentials

"Computer Forensics, Incident Response Essentials is a phenomenal introduction to the tools and techniques for computer forensic response. The book listed a number of tools that I had never heard of before. I can't wait to download several of these and take them for a spin."
—Stephen Northcutt, The SANS Institute

Every computer crime leaves tracks—you just have to know where to find them. This book shows you how to collect and analyze the digital evidence left behind in a digital crime scene.

Computers have always been susceptible to unwanted intrusions, but as the sophistication of computer technology increases so does the need to anticipate, and safeguard against, a corresponding rise in computer-related criminal activity.

Computer forensics, the newest branch of computer security, focuses on the aftermath of a computer security incident. The goal of computer forensics is to conduct a structured investigation to determine exactly what happened, who was responsible, and to perform the investigation in such a way that the results are useful in a criminal proceeding.

Written by two experts in digital investigation, Computer Forensics provides extensive information on how to handle the computer as evidence. Kruse and Heiser walk the reader through the complete forensics process—from the initial collection of evidence through the final report. Topics include an overview of the forensic relevance of encryption, the examination of digital evidence for clues, and the most effective way to present your evidence and conclusions in court. Unique forensic issues associated with both the Unix and theWindows NT/2000 operating systems are thoroughly covered.

This book provides a detailed methodology for collecting, preserving, and effectively using evidence by addressing the three A's of computer forensics:

• Acquire the evidence without altering or damaging the original data.
• Authenticate that your recorded evidence is the same as the original seized data.
• Analyze the data without modifying the recovered data.

Computer Forensics is written for everyone who is responsible for investigating digital criminal incidents or who may be interested in the techniques that such investigators use. It is equally helpful to those investigating hacked web servers, and those who are investigating the source of illegal pornography.

Just as regular police forensics focus on the information available at a crime scene, computer forensics looks at evidence that can be gleaned in the aftermath of a computer security incident. Two computer security professionals provide a methodology for collecting information that can lead to a perpetrator and prove useful in prosecutions. Chapters cover encryption, data hiding, hostile code, and introductions to forensics on Windows and Unix operating systems.

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