IDIF, IRBF, IEIF formats Expert Witness format – unofficial standard Encase Guidance Software. Proprietary Formats Features offered Option to compress or not compress image files Can split an image into smaller segmented files Can integrate metadata into the image file Disadvantages Inability to share an image between different tools File size limitation for each segmented volume Guide to Computer Forensics and Investigationsħ Proprietary Formats ILook (Law enforcement agencies) Raw Format Makes it possible to write bit-stream data to files Advantages Fast data transfers Can ignore minor data read errors on source drive Most computer forensics tools can read raw format Disadvantages Requires as much storage as original disk or data Tools might not collect marginal (bad) sectors Guide to Computer Forensics and InvestigationsĦ Guide to Computer Forensics and Investigations Three formats Raw format Proprietary formats Advanced Forensics Format (AFF) Guide to Computer Forensics and Investigationsĥ Guide to Computer Forensics and Investigations Objectives List digital evidence storage formats Explain ways to determine the best acquisition method Describe contingency planning for data acquisitions Explain how to use acquisition tools Guide to Computer Forensics and InvestigationsĮxplain how to validate data acquisitions Describe RAID acquisition methods Explain how to use remote network acquisition tools List other forensic tools available for data acquisitions Guide to Computer Forensics and InvestigationsĤ Understanding Storage Formats for Digital Evidence

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