Week_4 - © 2008 Purdue University Marcus K Rogers CIT...

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Unformatted text preview: © 2008 Purdue University Marcus K. Rogers CIT Computer Forensics: Basics Lecture 6 Bag & Tagging © 2008 Purdue University Marcus K. Rogers CIT Learning Objectives • At the end of this module, you will be able to: – Discuss similarities between physical and digital crime scenes – Explain the importance of proper evidence seizure – Recognize and Identify possible digital evidence items – Describe proper procedures, documentation, and collection of digital evidence at the scene – Explain what other information can be possibly be obtained at the scene © 2008 Purdue University Marcus K. Rogers CIT Crime Scene Investigation • Computer Forensics – There will always be a physical crime scene and a digital crime scene • Principle of Exchange – “..when a person commits a crime something is always at the scene that was not present when the person arrived.” – This is true for physical and digital crime scenes © 2008 Purdue University Marcus K. Rogers CIT Crime Scene Investigation • Crime Scene – “The environment where evidence can potentially exist” (Lee, 2001). – The environment where the first criminal act occurred is the PRIMARY physical crime scene and subsequent scene are SECONDARY physical crime scenes (Lee, 2001) • Digital Crime Scene – The electronic environment where digital evidence can potentially exist (Rogers, 2005) © 2008 Purdue University Marcus K. Rogers CIT Crime Scene Investigation • Evidence – “Physical objects that establish that a crime has been committed, can provide a link between a crime and a its victim, or can provide a link between a crime and a the perpetrator” (Saferstein, 2004). • Digital Evidence – Digital data that establish that a crime has been committed, can provide a link between a crime and its victim, or can provide a link between a crime and the perpetrator (Carrier & Spafford, 2003). © 2008 Purdue University Marcus K. Rogers CIT Forensics Principles • Digital/Electronic evidence is extremely volatile...
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This note was uploaded on 02/29/2012 for the course CNIT 420 taught by Professor Dr.marcrogers during the Spring '12 term at Purdue.

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Week_4 - © 2008 Purdue University Marcus K Rogers CIT...

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