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Computer Evidence: Collection and Preservation, Second Edition by Christopher L. T. Brown

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Equipment Forces

The forces of specialized equipment used in computer forensics can be some of the most damaging to digital evidence because their underlying actions are seldom observed directly. In computer forensics, the specialized equipment can be one of the following: hardware and software created specifically to support the computer forensics process, or repurposed computer hardware and software. Some examples of hardware created specifically for the computer forensics process include hardware disk write-blocking and disk-imaging devices.

Hardware disk write-blocking devices are created specifically to allow an investigator to preview or collect images of digital evidence without the risk of writing to the suspect disk. Because a computer’s ...

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