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

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Tool Testing

Outside all the recommendations from peers, it only makes sense that computer forensics investigators test and understand the tools they are using. Several guides can be useful in establishing what a tool should do, such as “NIST Hard Disk Write Block Tool Specification” [Nist02] and “NIST Disk Imaging Tool Specification 3.1.6” [Nist01]. However, investigators still need to test and establish that tools perform as advertised or as desired. Pragmatically, these tests are often accomplished over time through real-world use in what could be considered a less controlled environment; however, controlled tests are encouraged. It is recommended that forensics investigators take the following steps in their internal tool-review program: ...

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