Computer Science
University of Maryland File Signatures Data Hiding and Metadata Paper

University of Maryland University College

Question Description

I don’t understand this Computer Science question and need help to study.

Select one of the following questions below to answer. A minimum of 200 words is required, and they must be your own words. Including figures and quotes is value-added, but they will not count against your 200 word requirement.

  1. What is a file signature and why is it important in computer forensics. Give examples of File Signatures.
  2. What is metadata as it relates to files? Can you find a computer forensic case that was discussed in the media where metadata was used to link someone to ownership?
  3. What are some ways that people can hide data on a drive? For example an Alternate Data Stream?

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Final Answer

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Running Head: FILE SIGNATURES, DATA HIDING, AND METADATA

File Signatures, Data Hiding, and Metadata
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Institutional Affiliation:
Date:

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FILE SIGNATURES, DATA HIDING, AND METADATA

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File Signatures, Data Hiding, and Metadata
Question 1
Each file contains a given and specific identity which can be used to differentiate it
from the others. A file signature can be seen as a unique identity that can be used to associate
a given file and separate it from the others. Therefore, in simple terms, file signature is a type
of data that is used to verify the contents of a given file or document. File signature is used
mostly in forensic investigations in the identification of the materials contained in a given
document or image among others. File signature is also referred to as magic bytes.
The primary importance that is associated with the use of file signature is that it helps
in solving forensic cases. For instance, during a forensic investigation, the applied tools...

Robert__F (46919)
Duke University

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