Chapter 16 ©2011 Eoghan Casey. Published by Elsevier Inc. All rights reserved. Applying Forensic Science to Computers

Chapter 16

©2011 Eoghan Casey. Published by Elsevier Inc. All rights reserved.

Applying Forensic Science to Computers

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Copyright © 2011 Academic Press Inc.©2011 Eoghan Casey. Published by Elsevier Inc. All rights reserved.

FIGURE 16.1 A selection of storage media and computerized devices.

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FIGURE 16.2 Digital evidence form.

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FIGURE 16.3 Digital Investigation Manager (DIM) from DFLabs used to maintain a database of evidential items and associated information.

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FIGURE 16.4 Comparing bitstream copying to regular copying.

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FIGURE 16.5 Additional class characteristics of EXIF file displayed using ACDSee. The date and time embedded in this file (15:53 on June 11, 2000) is inaccurate because the camera’s clock was not set to the correct time, emphasizing the importance of documenting system time when collecting any kind of computerized device.

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FIGURE 16.6 Fragments of an overwritten JPEG file partially reconstituted by grafting a new header onto the file.

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FIGURE 16.7 Histogram of date-time stamps (created and last modified) showing gaps during suspect’s shifts.

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FIGURE 16.8 Conceptual image of 24-h clocks with MAC times for several days with a line connecting significant events on sequential days.

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FIGURE 16.9 Forensic date and time decoder. These times are generally GMT and must be adjusted for time zones.

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Chapter 16 ©2011 Eoghan Casey. Published by Elsevier Inc. All rights reserved. Applying Forensic Science to Computers