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Digital Forensics

Learn about motherboard, CPU, HDD, OS, sectors, forensic image acquisition, internet data analysis, and forensic psychology. Explore hardware components, data storage, internet investigations, and psychological testing.

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Digital Forensics

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  1. Digital Forensics

  2. Hardware components • Motherboard • System bus • CPU • ROM • RAM • HDD • Input devices • Output devices

  3. Storing and Retrieving Data • OS • Formatting and Partitioning the HDD • Mapping the HDD • Sectors • Clusters • Tracks • Cylinders

  4. Documenting the Electronic Crime Scene • Document the scene • Photograph overall layout • Photograph all connections • Decide on data acquisition method • Forensic Image Acquisition • Must not alter data in anyway • Can’t just boot up or will alter HDD • Remove HDD and place in forensic computer • Use MD5 or SHA algorithms to fingerprint disk

  5. Analysis of Electronic Data • Visible data • Data/Work product files • Swap file data • Temporary files • Latent Data • Slack space • RAM slack • File slack • Unallocated space • Defragmenting • Swap files/swap space • Deleted files

  6. The Internet • Browsers • URL • Hypertext • Bookmark • Search engines • Email • Mailing lists • Newsgroups

  7. The World-Wide Web • Internet cache • Cookies • Internet history • Bookmarks/Favorites

  8. Forensic Analysis of Internet Data • IP addresses • Email, Chat and IM • Hacking • Firewall

  9. Forensic Investigation of Internet Communications • Connections • Modem • Broadband • DSL • Wi-Fi • Routers • VoIP • ISPs • IP • Domains

  10. Forensic Psychiatry/Psychology • Psychological testing • Rorschach • Thematic-Apperception Test • Personality Inventories • Intellectual and Cognitive Assessment • Altered State Interviews

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