Evaluating A Selection of Tools for Extraction of Forensic Data: Disk ...

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4.5 CONCLUSION Chapter 4 concentrates on reporting the various findings during the process of evaluating the tools. Certain variations of what is defined in Chapter 3 were expected during the evaluation. The main focus of Chapter 4 is on reporting and comparing the evaluation results of the three tested tool in each test scenario, as well as across all tests. Chapter 4 outlines the variations in research specifications defined in Chapter 3. The findings about the test environment are described in section 4.2.1. Total of 18 test cases are reported but not all of the evaluated tools underwent all 18 test cases. Some test cases only applied to one or two tools. Each test scenario is illustrated with a table that summarises the failed assertions and the pass rate of that particular test case. In section 4.3, GA is applied on the test results of the disk imaging tools to study the gaps between the pre-defined requirements and the actual performance of the tool. A separate table that summarises the test results of all test scenarios is also presented in Table 4.20. Figures from 4.1 to 4.4 are visual representations of the summary Table 4.20 and they present the individual test results of the test cases. The findings of the evaluation are discussed in detail in Chapter 5. They are also use as evidence to test the hypotheses and answer the research question. 91
Pass Rates (%) 100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% 100.00% 100.00% 85.00% 100.00% 100.00% 100.00% 100.00% 100.00% FTK Imager Test Results 85.71% Figure 4.1. Summary of FTK Imager Test Result 92 100.00% 78.95% 15.79% 100.00% 100.00% 91.67% 91.67% 88.89% 78.95% TC-01 TC-02 TC-03 TC-05 TC-06 TC-07 TC-08 TC-09 TC-10 TC-11 TC-12(1) TC-12(2) TC-13 TC-14 TC-15 TC-16(1) TC-16(2) TC-17 Test Cases
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Evaluating A Selection of Tools for
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Acknowledgements This thesis has be
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imaging data when building disk ima
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2.3.3.1 dcfldd ....................
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4.3 Research Analysis .............
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List of Tables Table 2.1: Existing
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AI Access Interface AM Access Metho
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SWGDE Scientific Working Group on D
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NetIntercept Network monitoring and
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The aim of this chapter is to provi
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producing unreliable results. Extra
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1.4 CONCLUSION Chapter 1 is concern
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forensic software EnCase and Sleuth
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2.1.2 Investigative Processes And S
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Preparation Collection Examination
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13 Investigative Process Model (Fre
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eaders to have better understanding
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text or hexadecimal format (Adopted
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3. Duplicability and Modifiability
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oth original and duplicate copy of
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Apache web server and Microsoft Int
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forensic tools, process or procedur
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Guo et al. (2009) have proposed a f
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Table 2.4 Mandatory features of Dis
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2.3.3.2 dc3dd Dc3dd is another enha
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area to backup their Proprietary so
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Also, MBR disks only support four p
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Table 2.6 Functionalities of Disk I
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Page 61 and 62: answered. Details of data collectio
Page 63 and 64: experts will be used to narrow down
Page 65 and 66: anomalies are analysed to identify
Page 67 and 68: esulting acceptance spectrum can be
Page 69 and 70: Figure 3.5. Process of evaluation c
Page 71 and 72: Stage 1 Understand the discipline o
Page 73 and 74: Testing requirements Selected disk
Page 75 and 76: Phase 1 Select the software disk im
Page 77 and 78: connected to the computer using a P
Page 79 and 80: When the acquired images are saved
Page 81 and 82: 3.4.3 Data Analysis Methods GA is a
Page 83 and 84: There are many other types of hardw
Page 85 and 86: Main Research Question Sub Question
Page 87 and 88: 4.1 VARIARTIONS IN RESEARCH SPECIFI
Page 89 and 90: 4.2.1 Testing Environment Two execu
Page 91 and 92: Using program HDAT2, HPA and DCO ar
Page 93 and 94: 4.2.2.3 TC-03: Acquiring A Hard Dri
Page 95 and 96: Table 4.7 TC-06 Result Summary Test
Page 97 and 98: FTK Imager successfully verified th
Page 99 and 100: Assertions AHS01-03 AFR01-03 AFR01-
Page 101 and 102: Helix 3 pro was unable to recover t
Page 103 and 104: Helix 3 Pro was not able to read th
Page 105 and 106: The method of data analysis is desc
Page 107: 4.4 PRESENTATION OF FINDINGS A summ
Page 111 and 112: Pass Rate (%) 100.00% 90.00% 80.00%
Page 113 and 114: 5.0 INTRODUCTION Chapter 5 Discussi
Page 115 and 116: tools. For instance, the test case
Page 117 and 118: their latest FTK Imager release not
Page 119 and 120: information of the total number of
Page 121 and 122: Helix 3 Pro presented some usabilit
Page 123 and 124: Software support is minimum and the
Page 125 and 126: 2.2.4, forensic software validation
Page 127 and 128: elease version mounts file systems
Page 129 and 130: and TC-18, AIR has outperformed oth
Page 131 and 132: 6.0 INTRODUCTION Chapter 6 Conclusi
Page 133 and 134: inconsistent with what is stated in
Page 135 and 136: eginning of and the end of the disk
Page 137 and 138: 6.4 CONCLUSION The main objective o
Page 139 and 140: Beebe, N. L., & Clark, J. G. (2005)
Page 141 and 142: Erbacher, R. F. (2010). Validation
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Page 145 and 146: Payne, C. (2002). On the Security o
Page 147 and 148: Smith, R. (2009). Make the most of
Page 149 and 150: Cases Daubert v. Merrell Dow Pharma
Page 151 and 152: Appendix 2 - Testing requirements 1
Page 153 and 154: 06 format should contain same data
Page 155 and 156: Test Cases Description Assertions f
Page 157 and 158: Assertions for Fundamental Requirem
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TSP-AIC-10 TSP-AIC-11 image file fo
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4.1 Drive Reset (Common in most Tes
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This procedure outlines the process
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7. Keep setting “noerror, sync”
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Appendix 6 - Gap Analysis Matrix 15
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Image Creation (IC) Function Requir
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Appendix 7 - Disk Imaging Tools Tes
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FTK Imager 2.9.0.1385 (Release Date
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Source Device: Drive Setup: Log hig
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Log highlights: Results by assertio
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1.6 TC-02-FAT16 FTK Imager 2.9.0.13
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Source Device: Drive Setup: Partiti
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1.10 TC-02-HFS+ FTK Imager 2.9.0.13
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1.12 TC-03-DCO FTK Imager 2.9.0.138
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1.13 TC-05-DD FTK Imager 2.9.0.1385
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1.14 TC-05-Smart FTK Imager 2.9.0.1
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Drive Setup: Log highlights: Result
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Results by assertion: FTK Imager 2.
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1.19 TC-10-CorruptImage FTK Imager
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1.21 TC-11-E01_Smart FTK Imager 2.9
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1.25 TC-11-Smart_E01 FTK Imager 2.9
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Results by assertion: verified FTK
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Helix3 Pro R3 (Release Date: 30 th
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Results by assertion: Helix3 Pro R3
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2.3. TC-02-NTFS Helix3 Pro R3 (Rele
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Device: Serial Number: 6PS2CA4Z Sec
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Partition Table: Log highlights: Re
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2.11. TC-03-DCO Helix3 Pro R3 (Rele
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2.12. TC-05-EnCase6 Helix3 Pro R3 (
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2.13. TC-06-UNC Helix3 Pro R3 (Rele
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2.14. TC-07-InsufficientSpace & TC-
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Drive Setup: Partition Table (GPT d
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AIR 2.0.0 (Release Date: 17th, Feb
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3.3. TC-02-NTFS Test Case TC-02-NTF
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3.4. TC-02-Ext2 AIR 2.0.0 (Release
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3.5. TC-02-Ext3 AIR 2.0.0 (Release
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3.6. TC-02-FAT16 Test Case TC-02-FA
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Results by assertion: AIR 2.0.0 (Re
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3.17. TC-13 Overlapping Partitions
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3.21. TC-16-02 Acquire a GPT disk A
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