File System Forensic Analysis (Paperback)

This is an advanced cookbook and reference guide for digital forensic

practitioners. File System Forensic Analysis focuses on the file system and disk.

The file system of a computer is where most files are stored and where most

evidence is found; it also the most technically challenging part of forensic

analysis. This book offers an overview and detailed knowledge of the file

system and disc layout. The overview will allow an investigator to more easily

find evidence, recover deleted data, and validate his tools. The cookbook

section will show how to use the many open source tools for analysis, many of

which Brian Carrier has developed himself.

The Definitive Guide to File System Analysis: Key Concepts and Hands-on Techniques

Most digital evidence is stored within the computer's file system, but understanding how file systems work is one of the most technically challenging concepts for a digital investigator because there exists little documentation. Now, security expert Brian Carrier has written the definitive reference for everyone who wants to understand and be able to testify about how file system analysis is performed.

Carrier begins with an overview of investigation and computer foundations and then gives an authoritative, comprehensive, and illustrated overview of contemporary volume and file systems: Crucial information for discovering hidden evidence, recovering deleted data, and validating your tools. Along the way, he describes data structures, analyzes example disk images, provides advanced investigation scenarios, and uses today's most valuable open source file system analysis tools—including tools he personally developed. Coverage includes

• Preserving the digital crime scene and duplicating hard disks for "dead analysis"

• Identifying hidden data on a disk's Host Protected Area (HPA)

• Reading source data: Direct versus BIOS access, dead versus live acquisition, error handling, and more

• Analyzing DOS, Apple, and GPT partitions; BSD disk labels; and Sun Volume Table of Contents using key concepts, data structures, and specific techniques

• Analyzing the contents of multiple disk volumes, such as RAID and disk spanning

• Analyzing FAT, NTFS, Ext2, Ext3, UFS1, and UFS2 file systems using key concepts, data structures, and specific techniques

• Finding evidence: File metadata, recovery of deleted files, data hiding locations, and more

• Using The Sleuth Kit (TSK), Autopsy Forensic Browser, and related open source tools

When it comes to file system analysis, no other book offers this much detail or expertise. Whether you're a digital forensics specialist, incident response team member, law enforcement officer, corporate security specialist, or auditor, this book will become an indispensable resource for forensic investigations, no matter what analysis tools you use.

Brian Carrier has authored several leading computer forensic tools, including The Sleuth Kit (formerly The @stake Sleuth Kit) and the Autopsy Forensic Browser. He has authored several peer-reviewed conference and journal papers and has created publicly available testing images for forensic tools. Currently pursuing a Ph.D. in Computer Science and Digital Forensics at Purdue University, he is also a research assistant at the Center for Education and Research in Information Assurance and Security (CERIAS) there. He formerly served as a research scientist at @stake and as the lead for the @stake Response Team and Digital Forensic Labs. Carrier has taught forensics, incident response, and file systems at SANS, FIRST, the @stake Academy, and SEARCH.

Brian Carrier's http://www.digital-evidence.org contains book updates and up-to-date URLs from the book's references.

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