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Forensic Examination of Digital Evidence

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FORENSIC EXAMINATION OF DIGITAL EVIDENCE: A GUIDE FOR LAW ENFORCEMENT<br />

Steganography: The art and science <strong>of</strong><br />

communicating in a way that hides the<br />

existence <strong>of</strong> the communication. It is used<br />

to hide a file inside another. For example, a<br />

child pornography image can be hidden<br />

inside another graphic image file, audio<br />

file, or other file format.<br />

System administrator: The individual<br />

who has legitimate supervisory rights<br />

over a computer system. The administrator<br />

maintains the highest access to the system.<br />

Also can be known as sysop, sysadmin,<br />

and system operator.<br />

Unallocated space: Allocation units<br />

not assigned to active files within a file<br />

system.<br />

Write protection: Hardware or s<strong>of</strong>tware<br />

methods <strong>of</strong> preventing data from being<br />

written to a disk or other medium.<br />

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