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EnCE EnCase Computer Forensics: The Official EnCase Certified Examiner Study Guide, 3rd Edition by Steve Bunting

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File Signature Analysis

As you can imagine, the number of different file types that currently exist in the computing world is staggering—and climbing daily. Many, certainly not all, have been standardized and have unique file signatures or headers that precede their data. The two bodies that have undertaken this standardization are the International Organization for Standardization and the International Telecommunications Union Telecommunications Standardization Sector (ITU-T). When standardized headers are present, programs can recognize files by their header data. Also, many standardized files have unique extensions that are associated with the file’s unique header.

Understanding Application Binding

The process by which an operating system ...

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