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Articles 12871 - 12900 of 14008
Full-Text Articles in Entire DC Network
Table Of Contents
Journal of Digital Forensics, Security and Law
No abstract provided.
Continuous Fraud Detection In Enterprise Systems Through Audit Trail Analysis, Peter J. Best, Pall Rikhardsson, Mark Toleman
Continuous Fraud Detection In Enterprise Systems Through Audit Trail Analysis, Peter J. Best, Pall Rikhardsson, Mark Toleman
Journal of Digital Forensics, Security and Law
Enterprise systems, real time recording and real time reporting pose new and significant challenges to the accounting and auditing professions. This includes developing methods and tools for continuous assurance and fraud detection. In this paper we propose a methodology for continuous fraud detection that exploits security audit logs, changes in master records and accounting audit trails in enterprise systems. The steps in this process are: (1) threat monitoringsurveillance of security audit logs for ‘red flags’, (2) automated extraction and analysis of data from audit trails, and (3) using forensic investigation techniques to determine whether a fraud has actually occurred. We …
A Synopsis Of Proposed Data Protection Legislation In Sa, Francis S. Cronjé
A Synopsis Of Proposed Data Protection Legislation In Sa, Francis S. Cronjé
Journal of Digital Forensics, Security and Law
Privacy International1 made the following statement regarding South Africa’s financial sector in its 2005 world survey: “South Africa has a well-developed financial system and banking infrastructure. Despite the sophistication of the financial sector, the privacy of financial information is weakly regulated by a code of conduct for banks issued by the Banking Council.” This extract highlights some of the problems South Africa are experiencing with its current status on privacy as viewed from an International perspective. In recent years the International society has stepped up its efforts in creating a global village wherein the individual could be assured of having …
Bluetooth Hacking: A Case Study, Dennis Browning, Gary C. Kessler
Bluetooth Hacking: A Case Study, Dennis Browning, Gary C. Kessler
Journal of Digital Forensics, Security and Law
This paper describes a student project examining mechanisms with which to attack Bluetooth-enabled devices. The paper briefly describes the protocol architecture of Bluetooth and the Java interface that programmers can use to connect to Bluetooth communication services. Several types of attacks are described, along with a detailed example of two attack tools, Bloover II and BT Info.
Detection Of Steganography-Producing Software Artifacts On Crime-Related Seized Computers, Asawaree Kulkarni, James Goldman, Brad Nabholz, William Eyre
Detection Of Steganography-Producing Software Artifacts On Crime-Related Seized Computers, Asawaree Kulkarni, James Goldman, Brad Nabholz, William Eyre
Journal of Digital Forensics, Security and Law
Steganography is the art and science of hiding information within information so that an observer does not know that communication is taking place. Bad actors passing information using steganography are of concern to the national security establishment and law enforcement. An attempt was made to determine if steganography was being used by criminals to communicate information. Web crawling technology was used and images were downloaded from Web sites that were considered as likely candidates for containing information hidden using steganographic techniques. A detection tool was used to analyze these images. The research failed to demonstrate that steganography was prevalent on …
Table Of Contents
Journal of Digital Forensics, Security and Law
No abstract provided.
Table Of Contents
Journal of Digital Forensics, Security and Law
No abstract provided.
Prevention Is Better Than Prosecution: Deepening The Defence Against Cyber Crime, Jacqueline Fick
Prevention Is Better Than Prosecution: Deepening The Defence Against Cyber Crime, Jacqueline Fick
Journal of Digital Forensics, Security and Law
In the paper the author proposes that effectively and efficiently addressing cyber crime requires a shift in paradigm. For businesses and government departments alike the focus should be on prevention, rather than the prosecution of cyber criminals. The Defence in Depth strategy poses a practical solution for achieving Information Assurance in today’s highly networked environments. In a world where “absolute security” is an unachievable goal, the concept of Information Assurance poses significant benefits to securing one of an organization’s most valuable assets: Information. It will be argued that the approach of achieving Information Assurance within an organisation, coupled with the …
To License Or Not To License Revisited: An Examination Of State Statutes Regarding Private Investigators And Digital Examiners, Thomas Lonardo, Doug White, Alan Rea
To License Or Not To License Revisited: An Examination Of State Statutes Regarding Private Investigators And Digital Examiners, Thomas Lonardo, Doug White, Alan Rea
Journal of Digital Forensics, Security and Law
In this update to the previous year's study, the authors examine statutes that regulate, license, and enforce investigative functions in each US state. After identification and review of Private Investigator licensing requirements, the authors find that very few state statutes explicitly differentiate between Private Investigators and Digital Examiners. After contacting all state agencies the authors present a distinct grouping organizing state approaches to professional Digital Examiner licensing. The authors conclude that states must differentiate between Private Investigator and Digital Examiner licensing requirements and oversight.
The Impact Of Hard Disk Firmware Steganography On Computer Forensics, Iain Sutherland, Gareth Davies, Nick Pringle, Andrew Blyth
The Impact Of Hard Disk Firmware Steganography On Computer Forensics, Iain Sutherland, Gareth Davies, Nick Pringle, Andrew Blyth
Journal of Digital Forensics, Security and Law
The hard disk drive is probably the predominant form of storage media and is a primary data source in a forensic investigation. The majority of available software tools and literature relating to the investigation of the structure and content contained within a hard disk drive concerns the extraction and analysis of evidence from the various file systems which can reside in the user accessible area of the disk. It is known that there are other areas of the hard disk drive which could be used to conceal information, such as the Host Protected Area and the Device Configuration Overlay. There …
Electronic Forms-Based Computing For Evidentiary Analysis, Andy Luse, Brian Mennecke, Anthony M. Townsend
Electronic Forms-Based Computing For Evidentiary Analysis, Andy Luse, Brian Mennecke, Anthony M. Townsend
Journal of Digital Forensics, Security and Law
The paperwork associated with evidentiary collection and analysis is a highly repetitive and time-consuming process which often involves duplication of work and can frequently result in documentary errors. Electronic entry of evidencerelated information can facilitate greater accuracy and less time spent on data entry. This manuscript describes a general framework for the implementation of an electronic tablet-based system for evidentiary processing. This framework is then utilized in the design and implementation of an electronic tablet-based evidentiary input prototype system developed for use by forensic laboratories which serves as a verification of the proposed framework. The manuscript concludes with a discussion …
Graduate Accounting Students' Perception Of It Forensics: A Multi-Dimensional Analysis, Grover S. Kearns
Graduate Accounting Students' Perception Of It Forensics: A Multi-Dimensional Analysis, Grover S. Kearns
Journal of Digital Forensics, Security and Law
Forensics and information technology (IT) have become increasingly important to accountants and auditors. Undergraduate accounting students are introduced to general IT topics but discussion of forensic knowledge is limited. A few schools have introduced an undergraduate major in forensic accounting. Some graduate schools offer accounting students an emphasis in forensic or fraud accounting that includes instruction in forensics and information technology. When students do not view the IT topics as being equally important to their careers as traditional accounting topics, these attitudes may reduce the quality of the course. In an effort to assess student attitudes, a survey of 46 …
Multi-Proxy Palaeoclimate Reconstruction Of The Permian-Triassic Mass Extinction Event, Timothy Kearsey
Multi-Proxy Palaeoclimate Reconstruction Of The Permian-Triassic Mass Extinction Event, Timothy Kearsey
School of Geography, Earth and Environmental Sciences Theses
The Permian/Triassic (P/Tr) boundary is widely assumed to have been a time of extreme environmental upheaval and change. In the terrestrial realm, a negative anomaly in 813C isotope values has been reported from organic carbon in Antarctica, Australia, India and Madagascar, and from marine carbonate in the Karoo Basin. However, these sections are all from southern palaeolatitudes. Analysis from the Permian-Triassic terrestrial sedimentary record of the South Urals, in Russia, comprising of many Aridisol and Vertisol horizons has revealed that, like the Southern Hemisphere, there is a dramatic change in paleosol morphology across the P/Tr boundary linked to a shift …
Measurement And Modelling Of Structure And Pore Level Processes In Filters And Wicks, John Charles Price
Measurement And Modelling Of Structure And Pore Level Processes In Filters And Wicks, John Charles Price
School of Geography, Earth and Environmental Sciences Theses
Characterisation of new filtration and wicking materials through a 'wet-bench" testing process is a requirement for many filtration companies before new products can be released to market. A reduction in this testing commitment through the application of successful computational based models, requiring minimal empirical input, would undoubtedly result in huge financial savings and reductions in testing lead times. Such models could offer total media characterisation and could also aid further insights into many filtration and wicking processes which before would have required an expensive combination of different testing procedures. In this research, a depth filtration model has been developed, based …
Mid-Ocean Ridge Transform Faults, Margaret S. Boettcher
Mid-Ocean Ridge Transform Faults, Margaret S. Boettcher
Center for Coastal and Ocean Mapping
No abstract provided.
The Vertical Structure Of Shallow Water Flow In The Surf Zone And Inner Shelf, Thomas C. Lippmann
The Vertical Structure Of Shallow Water Flow In The Surf Zone And Inner Shelf, Thomas C. Lippmann
Center for Coastal and Ocean Mapping
No abstract provided.
Macroalgae And Eelgrass Mapping In Great Bay Estuary Using Aisa Hyperspectral Imagery., Shachak Pe'eri, John Ru Morrison, Frederick T. Short, Arthur C. Mathieson, Phil Trowbridge
Macroalgae And Eelgrass Mapping In Great Bay Estuary Using Aisa Hyperspectral Imagery., Shachak Pe'eri, John Ru Morrison, Frederick T. Short, Arthur C. Mathieson, Phil Trowbridge
Center for Coastal and Ocean Mapping
Results Increases in nitrogen concentration and declining eelgrass beds in Great Bay Estuary have been observed in the last decades. These two parameters are clear indicators of the impending eutrophication for New Hampshire’s estuaries. The NH Department of Environmental Services (DES) in collaboration with the Piscataqua Region Estuaries Partnership adopted the assumption that eelgrass survival can be used as the target for establishing numeric water quality criteria for nutrients in NH’s estuaries. One of the hypotheses put forward regarding eelgrass decline is that an eutrophication response to nutrient increases in the Great Bay Estuary has been the proliferation of nuisance …
Physiological And Whole-Body Correlates Of Contest Behaviour In The Hermit Crab Pagurus Bernhardus, Sophie Lilian Mowles
Physiological And Whole-Body Correlates Of Contest Behaviour In The Hermit Crab Pagurus Bernhardus, Sophie Lilian Mowles
Other Faculty of Science and Engineering Theses
The series of experiments that comprise this thesis used shell fights in the hermit crab Pagurus bernhardus as a model system to address the proximate physiological and whole-organism correlates of contest behaviour. These correlates of fighting ability ranged from the metal ions magnesium (Mg2+) and calcium (Ca2+), through respiratory pigments and muscular proteins to whole-organism performance capacities and behavioural syndromes. This broad-spectrum approach thus allowed the study of a suite of mechanisms which may influence agonistic behaviour and fighting ability.
Statistical Techniques For Extreme Wave Condition Analysis In Coastal Design, Paul Thompson
Statistical Techniques For Extreme Wave Condition Analysis In Coastal Design, Paul Thompson
Other Faculty of Science and Engineering Theses
The study of the behaviour of the extreme values of a variable such as wave height is very important in engineering applications such as flood risk assessment and coastal design. Storm wave modelling usually adopts a univariate extreme value theory approach, essentially identifying the extreme observations of one variable and fitting a standard extreme value distribution to these values. Often it is of interest to understand how extremes of a variable such as wave height depend on a covariate such as wave direction. An important associated concept is that of return level, a value that is expected to be exceeded …
Walter De Maria: The Lightning Field, Janet Mccann
Walter De Maria: The Lightning Field, Janet Mccann
Other Faculty of Arts, Humanities and Business Theses
Walter De Maria (b.1935) is best known for The Lightning Field, a large-scale, remote outdoor work constructed in New Mexico, USA, and completed in 1977. Both De Maria and The Lightning Field have largely been critiqued solely within the art-historical framework of 'Land Art'. This thesis argues that such a framework has been too homogeneous and too narrow in its scope to do justice to the true complexities either of the artist's practice or of the visitor's experience of The Lightning Field, which involves considerably more than the dramatic spectacle of lightning. It proposes that De Maria's wide-ranging artistic career …
Dynamically Constrained Ensemble Perturbations: Application To Tides On The West Florida Shelf, Alexander Barth, Aida Alvera-Azcarate, J. M. Beckers, Robert H. Weisberg, L. Vandenbulcke, F. Lenartz, M. Rixen
Dynamically Constrained Ensemble Perturbations: Application To Tides On The West Florida Shelf, Alexander Barth, Aida Alvera-Azcarate, J. M. Beckers, Robert H. Weisberg, L. Vandenbulcke, F. Lenartz, M. Rixen
Marine Science Faculty Publications
A method is presented to create an ensemble of perturbations that satisfies linear dynamical constraints. A cost function is formulated defining the probability of each perturbation. It is shown that the perturbations created with this approach take the land-sea mask into account in a similar way as variational analysis techniques. The impact of the land-sea mask is illustrated with an idealized configuration of a barrier island. Perturbations with a spatially variable correlation length can be also created by this approach. The method is applied to a realistic configuration of the West Florida Shelf to create perturbations of the M2 tidal …
Eco-Visualisation: Combining Art And Technology To Reduce Energy Consumption, Tiffany Holmes
Eco-Visualisation: Combining Art And Technology To Reduce Energy Consumption, Tiffany Holmes
Other Faculty of Science and Engineering Theses
Artworks that display the real time usage of key resources such as electricity offer new strategies to conserve energy. These eco-visualisations-or artworks that creatively visualise ecologically significant data in real time-represent a substantial contribution to new knowledge about dynamic feedback as a tool to promote energy conservation and environmental site-based learning in this interdisciplinary project that expands and builds on prior findings from the fields of art, design, environmental psychology, and human computer interaction (HCI). The aims of this research endeavor were to locate answers to the following questions related to energy conservation in various public contexts. Might dynamic feedback …
Biomechanical Modelling Of Musical Performance: A Case Study Of The Guitar, Leandro Costalonga
Biomechanical Modelling Of Musical Performance: A Case Study Of The Guitar, Leandro Costalonga
Other Faculty of Science and Engineering Theses
Computer-generated musical performances are often criticised for being unable to match the expressivity found in performances by humans. Much research has been conducted in the past two decades in order to create computer technology able to perform a given piece music as expressively as humans, largely without success. Two approaches have been often adopted to research into modelling expressive music performance on computers. The first focuses on sound; that is, on modelling patterns of deviations between a recorded human performance and the music score. The second focuses on modelling the cognitive processes involved in a musical performance. Both approaches are …
Permeability Characterisation Of Continuous Filament Mats For Resin Transfer Moulding, Ross Pomeroy
Permeability Characterisation Of Continuous Filament Mats For Resin Transfer Moulding, Ross Pomeroy
Other Faculty of Science and Engineering Theses
This thesis seeks to examine both permeability measurement and material characterisation of Continuous Filament Mat (CFM) glass fibre reinforcements. As an alternative to fabrics, which generally provide higher in-place properties, CFMs are often employed as low cost, 'lofty' (high uncompressed thickness, and therefore good specific flexural stiffness), easy to process reinforcements for Resin Transfer Moulded (RTM) parts. Within this project, investigation of permeability measurement has involved the development of two (radial and linear) liquid flow permeability techniques to provide a reliable and robust data set for a specific CFM (Unifilo U813-300). Then two novel (radial and linear) airflow techniques were …
Dynamically Constrained Ensemble Perturbations - Application To Tides On Thewest Florida Shelf, Alexander Barth, Aida Alvera-Azcarate, J. M. Beckers, Robert H. Weisberg, L. Vandenbulcke, F. Lenartz, M. Rixen
Dynamically Constrained Ensemble Perturbations - Application To Tides On Thewest Florida Shelf, Alexander Barth, Aida Alvera-Azcarate, J. M. Beckers, Robert H. Weisberg, L. Vandenbulcke, F. Lenartz, M. Rixen
Marine Science Faculty Publications
A method is presented to create an ensemble of perturbations that satisfies linear dynamical constraints. A cost function is formulated defining the probability of each perturbation. It is shown that the perturbations created with this approach take the land-sea mask into account in a similar way as variational analysis techniques. The impact of the land-sea mask is illustrated with an idealized configuration of a barrier island. Perturbations with a spatially variable correlation length can be also created by this approach. The method is applied to a realistic configuration of theWest Florida Shelf to create perturbations of the M2 tidal parameters …
Book Review: Cyber Security And Global Information Assurance: Threat Analysis And Response Solutions, Gary C. Kessler
Book Review: Cyber Security And Global Information Assurance: Threat Analysis And Response Solutions, Gary C. Kessler
Journal of Digital Forensics, Security and Law
I freely admit that this book was sent to me by the publisher for the expressed purpose of my writing a review and that I know several of the chapter authors. With that disclosure out of the way, let me say that the book is well worth the review (and I get to keep my review copy).
The preface to the book cites the 2003 publication of The National Strategy to Secure Cyberspace by the White House, and the acknowledgement by the U.S. government that our economy and national security were fully dependent upon computers, networks, and the telecommunications infrastructure. …
Graduate Catalog 2009-2010, Southwestern Oklahoma State University
Graduate Catalog 2009-2010, Southwestern Oklahoma State University
Graduate Catalogs
No abstract provided.
Peranan Matematika Ekonomi Dan Ekonometrika Dalam Memahami Ekonomi, Nachrowi D. Nachrowi
Peranan Matematika Ekonomi Dan Ekonometrika Dalam Memahami Ekonomi, Nachrowi D. Nachrowi
Jurnal Ekonomi dan Pembangunan Indonesia
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Determination Of Water-Soluble And Water-Insoluble Inorganic Compounds Of Hexavalent Chromium In Workplace Air, Pierre Larivière, Lucile Richard
Determination Of Water-Soluble And Water-Insoluble Inorganic Compounds Of Hexavalent Chromium In Workplace Air, Pierre Larivière, Lucile Richard
Environnementales
No abstract provided.
Efficacy And Safety Of Intermittent Preventive Treatment With Sulfadoxine-Pyrimethamine For Malaria In African Infants: A Pooled Analysis Of Six Randomised, Placebo-Controlled Trials, J.J. Aponte, D. Schellenberg, A. Egan, A. Breckenridge, I. Carneiro, J. Critchley, I. Danquah, A. Dodoo, R. Kobbe, B. Lell, J. May, Zul Premji, S. Sanz, E. Sevene, R. Soulaymani-Becheikh, P. Winstanley, S. Adjei, S. Anemana, D. Chandramohan, S. Issifou, F. Mockenhaupt F., S. Owusu-Agyei, B. Greenwood, M.P. Grobusch, P.G. Kremsner, E. Macete, H. Mshinda, R.D. Newman, L. Slutsker, M. Tanner, P. Alonso, C. Menendez
Efficacy And Safety Of Intermittent Preventive Treatment With Sulfadoxine-Pyrimethamine For Malaria In African Infants: A Pooled Analysis Of Six Randomised, Placebo-Controlled Trials, J.J. Aponte, D. Schellenberg, A. Egan, A. Breckenridge, I. Carneiro, J. Critchley, I. Danquah, A. Dodoo, R. Kobbe, B. Lell, J. May, Zul Premji, S. Sanz, E. Sevene, R. Soulaymani-Becheikh, P. Winstanley, S. Adjei, S. Anemana, D. Chandramohan, S. Issifou, F. Mockenhaupt F., S. Owusu-Agyei, B. Greenwood, M.P. Grobusch, P.G. Kremsner, E. Macete, H. Mshinda, R.D. Newman, L. Slutsker, M. Tanner, P. Alonso, C. Menendez
Pathology, East Africa
Background: Intermittent preventive treatment (IPT) is a promising strategy for malaria control in infants. We undertook a pooled analysis of the safety and efficacy of IPT in infants (IPTi) with sulfadoxine-pyrimethamine in Africa. Methods: We pooled data from six double-blind, randomised, placebo-controlled trials (undertaken one each in Tanzania, Mozambique, and Gabon, and three in Ghana) that assessed the efficacy of IPTi with sulfadoxine-pyrimethamine. In all trials, IPTi or placebo was given to infants at the time of routine vaccinations delivered by WHO's Expanded Program on Immunization. Data from the trials for incidence of clinical malaria, risk of anaemia (packed-cell volume <25% or haemoglobin <80 g/L), and incidence of hospital admissions and adverse events in infants up to 12 months of age were reanalysed by use of standard outcome definitions and time periods. Analysis was by modified intention to treat, including all infants who received at least one dose of IPTi or placebo. Findings: The six trials provided data for 7930 infants (IPTi, n=3958; placebo, n=3972). IPTi had a protective efficacy of 30·3% (95% CI 19·8-39·4, p<0·0001) against clinical malaria, 21·3% (8·2-32·5, p=0·002) against the risk of anaemia, 38·1% (12·5-56·2, p=0·007) against hospital admissions associated with malaria parasitaemia, and 22·9% (10·0-34·0, p=0·001) against all-cause hospital admissions. There were 56 deaths in the IPTi group compared with 53 in the placebo group (rate ratio 1·05, 95% CI 0·72-1·54, p=0·79). One death, judged as possibly related to IPTi because it occurred 19 days after a treatment dose, was subsequently attributed to probable sepsis. Four of 676 non-fatal hospital admissions in the IPTi group were deemed related to study treatment compared with five of 860 in the placebo group. None of three serious dermatological adverse events in the IPTi group were judged related to study treatment compared with one of 13 in the placebo group. Interpretation: IPTi with sulfadoxine-pyrimethamine was safe and efficacious across a range of malaria transmission settings, suggesting that this intervention is a useful contribution to malaria control. Funding: Bill & Melinda Gates Foundation. © 2009 Elsevier Ltd. All rights reserved.