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Articles 721 - 750 of 1285
Full-Text Articles in Computer Sciences
Using Checklists To Make Better Best, Craig S. Wright, Tanveer A. Zia
Using Checklists To Make Better Best, Craig S. Wright, Tanveer A. Zia
Australian Information Security Management Conference
The more routine a task is we see the greater the need for a checklist. Even the smartest of us can forget where we parked our cars on returning from a long flight. So, the question is, why not create a straightforward checklist that will improve system management and security? In Information Technology operations, the vast majority of skilled people have re-built servers, but in an incident response situation, it can be unforgivable to overlook a serious security configuration simply because in the stress of the environment causes one to lose track of which stage they were on while being …
Source Code Embedded (Scem) Security Framework, Tanveer A. Zia, Aftab Rizvi
Source Code Embedded (Scem) Security Framework, Tanveer A. Zia, Aftab Rizvi
Australian Information Security Management Conference
Security in the Software Development Life Cycle (SDLC) has become imperative due to the variety of threats posed during and after system design. In this paper we have studied the security in system design in general and software development in particular, and have proposed strategies for integration of security in the SDLC. The paper highlights the needs of embedding security right from the earlier processes in the SDLC because patches and controls after the software delivery are more expensive to fix. We propose Source Code EMbedded (SCEM) security framework to improve the design of security policies and standards for the …
Seeing The Full Picture: The Case For Extending Security Ceremony Analysis, Giampaolo Bella, Lizzie Coles-Kemp
Seeing The Full Picture: The Case For Extending Security Ceremony Analysis, Giampaolo Bella, Lizzie Coles-Kemp
Australian Information Security Management Conference
The concept of the security ceremony was introduced a few years ago to complement the concept of the security protocol with everything about the context in which a protocol is run. In particular, such context involves the human executors of a protocol. When including human actors, human protocols become the focus, hence the concept of the security ceremony can be seen as part of the domain of socio-technical studies. This paper addresses the problem of ceremony analysis lacking the full view of human protocols. This paper categorises existing security ceremony analysis work and illustrates how the ceremony picture could be …
Designing Cyber Warfare Information Infrastructure Resilience, Semir Daskapan, Jan Van Der Berg
Designing Cyber Warfare Information Infrastructure Resilience, Semir Daskapan, Jan Van Der Berg
Australian Information Warfare and Security Conference
Due to many cyber attacks in the last years, governments are realizing how vulnerable they have become should there be a break out of a cyberwar. This urged them to establish a cyber warfare information infrastructure in a short time. However, this cyber warfare information infrastructure relies heavily on public infrastructures, like electricity and the Internet, which will be most likely targeted themselves. Therefore, a cyber warfare information infrastructure is by definition a vulnerable infrastructure that needs to be secured against attacks and made resilient. In this paper, we provide a method inspired by the theory of Complex Adaptive Systems …
The Combined Conceptual Life Cycle Model Of Information Quality In User Perceptions Of Iq On The Web, Shirlee-Ann Knight
The Combined Conceptual Life Cycle Model Of Information Quality In User Perceptions Of Iq On The Web, Shirlee-Ann Knight
Research outputs 2011
Presented is the Combined Conceptual Life Cycle (CCLC) Model of Information Quality (IQ). The CCLC conceptualises information/data quality as being a highly relative construct, best understood in terms of sixteen IQ dimensions housed within four broad IQ categories: namely; Intrinsic IQ, Representational IQ, Interactional IQ, and Contextual IQ. The four categories themselves are seen as falling into two information life cycle contexts: that of (1) data/information generation and (2) data/information use. By conceptualising user perceptions of IQ in terms of the information life cycle, the model is able to demonstrate where in the information life cycle users are most likely …
Analysis Of Key Installation Protection Using Computerized Red Teaming, Tirtha Ranjeet, Philip Hingston, Chiou Peng Lam, Martin Masek
Analysis Of Key Installation Protection Using Computerized Red Teaming, Tirtha Ranjeet, Philip Hingston, Chiou Peng Lam, Martin Masek
Research outputs 2011
This paper describes the use of genetic algorithms (GAs) for computerized red teaming applications, to explore options for military plans in specific scenarios. A tool called Optimized Red Teaming (ORT) is developed and we illustrate how it may be utilized to assist the red teaming process in security organizations, such as military forces. The developed technique incorporates a genetic algorithm in conjunction with an agent-based simulation system (ABS) called MANA (Map Aware Non-uniform Automata). Both enemy forces (the red team) and friendly forces (the blue team) are modelled as intelligent agents in a multi-agent system and many computer simulations of …
A Preliminary Introduction To The Otam: Exploring Users’ Perceptions Of Their On-Going Interaction With Adopted Technologies, Shirlee-Ann Knight, Janice M. Burn
A Preliminary Introduction To The Otam: Exploring Users’ Perceptions Of Their On-Going Interaction With Adopted Technologies, Shirlee-Ann Knight, Janice M. Burn
Research outputs 2011
A common criticism directed at Davis’ (1986; 1989) Technology Acceptance Model relates to its failure to adequately frame the “experienced” user’s ongoing adoption and exploitation of information technologies. Given the pervasive nature of technology into individual users’ ongoing, everyday communication and information interactions, along with the “new adopter” becoming an increasingly rare entity, the TAM is in danger of becoming a somewhat obsolete framework for investigating user-technology interaction. Presented is a critical analysis of the development and current state of the TAM, followed by a proposed addition to the existing Perceived Usefulness (PU) and Perceived Ease of Use (PEoU) TAM …
A Low Cost Adaptive Graphical User Interface For The Visually Handicapped With Multiple Conditions, David Veal, Stanislaw Maj
A Low Cost Adaptive Graphical User Interface For The Visually Handicapped With Multiple Conditions, David Veal, Stanislaw Maj
Research outputs 2011
Limited trials have been demonstrated that a Graphical User Interface (GUI) for the visually handicapped called Dynamic Pattern System (DPS) can adaptively utilize residual vision by generating different patterns, colors and shapes. Low vision simulators, used by normally sighted, have allowed researchers to clearly identify visual impairments that can be helped by DPS. However, it is not uncommon for the visually handicapped to suffer from multiple conditions having a multiplicative degenerative effect on their sight. This paper demonstrates how DPS can be used to assist individuals with compound sight disorders.
Teaching Software Engineering Project Management-A Novel Approach For Software Engineering Programs, Craig Caulfield, David Veal, Stanislaw Maj
Teaching Software Engineering Project Management-A Novel Approach For Software Engineering Programs, Craig Caulfield, David Veal, Stanislaw Maj
Research outputs 2011
In response to real and perceived short-comings in the quality and productivity of software engineering practices and projects, professionally-endorsed graduate and post-graduate curriculum guides have been developed to meet technical developments and evolving industry demands. Each of these curriculum guidelines identifies better software project management skills as critical for all graduating students, but they provide little guidance on how to achieve this. One possible way is to use a serious game - a game designed to teach and educate players about some of the dynamic complexities of the field in a safe and inexpensive environment. This paper presents the results …
Reinforcement Learning Of Competitive And Cooperative Skills In Soccer Agents, Jinsong Leng, Chee Lim
Reinforcement Learning Of Competitive And Cooperative Skills In Soccer Agents, Jinsong Leng, Chee Lim
Research outputs 2011
The main aim of this paper is to provide a comprehensive numerical analysis on the efficiency of various reinforcementlearning (RL) techniques in an agent-based soccer game. The SoccerBots is employed as a simulation testbed to analyze the effectiveness of RL techniques under various scenarios. A hybrid agent teaming framework for investigating agent team architecture, learning abilities, and other specific behaviours is presented. Novel RL algorithms to verify the competitiveandcooperativelearning abilities of goal-oriented agents for decision-making are developed. In particular, the tile coding (TC) technique, a function approximation approach, is used to prevent the state space from growing exponentially, hence avoiding …
A New Seal Verification For Chinese Color Seal, Zhihu Huang, Jinsong Leng
A New Seal Verification For Chinese Color Seal, Zhihu Huang, Jinsong Leng
Research outputs 2011
Automatic seal imprint identification system is highly demanded in oriental countries. Even though several seal identification techniques have been proposed, it is seldom to find the papers on the recovery of lost seal imprint strokes caused by superimposition. In this paper, a new seal verification for Chinese color seal is proposed. This approach segments the seal imprint from the input image in terms of the adaptive thresholds. The lost seal imprint strokes are recovered based on the text stroke width that can be detected automatically. In addition, the moment-based seal verification is to compare the reference seal imprint and the …
High-Dimensional Objective-Based Data Farming, Zeng Fanchao, James Decraene, Malcolm Low, Wentong Cai, Suiping Zhou, Philip F. Hingston
High-Dimensional Objective-Based Data Farming, Zeng Fanchao, James Decraene, Malcolm Low, Wentong Cai, Suiping Zhou, Philip F. Hingston
Research outputs 2011
In objective-based data farming, decision variables of the Red Team are evolved using evolutionary algorithms such that a series of rigorous Red Team strategies can be generated to assess the Blue Team's operational tactics. Typically, less than 10 decision variables (out of 1000+) are selected by subject matter experts (SMEs) based on their past experience and intuition. While this approach can significantly improve the computing efficiency of the data farming process, it limits the chance of discovering “surprises” and moreover, data farming may be used only to verify SMEs' assumptions. A straightforward solution is simply to evolve all Red Team …
Behaviour Profiling For Transparent Authentication For Mobile Devices, Fudong Li, Nathan Clarke, Maria Papadaki, Paul Dowland
Behaviour Profiling For Transparent Authentication For Mobile Devices, Fudong Li, Nathan Clarke, Maria Papadaki, Paul Dowland
Research outputs 2011
Since the first handheld cellular phone was introduced in 1970s, the mobile phone has changed significantly both in terms of popularity and functionality. With more than 4.6 billion subscribers around the world, it has become a ubiquitous device in our daily life. Apart from the traditional telephony and text messaging services, people are enjoying a much wider range of mobile services over a variety of network connections in the form of mobile applications. Although a number of security mechanisms such as authentication, antivirus, and firewall applications are available, it is still difficult to keep up with various mobile threats (i.e. …
Estimation Of Cbr Value Using Dynamic Cone Penetrometer, K S. Gill, A K. Choudhary, S K. Shukla
Estimation Of Cbr Value Using Dynamic Cone Penetrometer, K S. Gill, A K. Choudhary, S K. Shukla
Research outputs 2011
IRC•37-2001, the Indian Roads Congress standard deals with the design of flexible pavements and recommends the California Bearing Ratio (CBR) as an indicator of subgrade soil strength. The subbase/base thickness of pavement is governed by the CBR value of the subgrade soil along with some other parameters such as traffic intensity, climatic conditions, etc. The conventional CBR testing method is expensive, time consuming and its repeatability is low. Additionally, it is very difficult to mould the sample at the desired in-situ density in the laboratory CBR test. Values of in• situ density are underestimated due to local dampness of surface …
Website Accessibility In Western Australian Public Libraries, Vivienne Conway
Website Accessibility In Western Australian Public Libraries, Vivienne Conway
Research outputs 2011
The World Wide Web Consortium (W3C) has established international standards for website accessibility which attempt to ensure that everyone has the same opportunities to use materials published on the World Wide Web (Web). This article provides a summation of the research conducted into the accessibility of public library websites in Western Australia. A discussion is provided of the website audit methods used and results obtained. The research demonstrates the level of compliance with Australian and International standards as well as results of surveys used to determine the perceived willingness to comply with those standards, barriers to compliance and benefits of …
Adaptive Use Of Thresholding And Multiple Colour Space Representation To Improve Classification Of Mmcc Barcode, Siong Khai Ong, Douglas Chai, Alexander Rassau
Adaptive Use Of Thresholding And Multiple Colour Space Representation To Improve Classification Of Mmcc Barcode, Siong Khai Ong, Douglas Chai, Alexander Rassau
Research outputs 2011
Colour 2D barcodes, such as the MMCC barcode, have been developed recently to improve the data capacity of monochrome barcodes. However, the use of colour imposes greater challenges in decoding the symbols correctly as different lighting conditions on the barcode vary the values of the colours significantly. Hence, it is desirable to have an adaptive classification of the data cells so as to adapt to various lighting conditions. In this paper, we propose a classification method that is able to adapt to different lighting conditions during the classification of the MMCC data cells in a mobile environment. To highlight the …
Multi Camera Visual Saliency Using Image Stitching, Christopher Wing Hong Ngau, Li-Minn Ang, Kah Phooi Seng
Multi Camera Visual Saliency Using Image Stitching, Christopher Wing Hong Ngau, Li-Minn Ang, Kah Phooi Seng
Research outputs 2011
This paper presents and investigates two models for a multi camera configuration with visual saliency capability. Applications in various imaging fields each have a different set of detection parameters and requirements which would result in the necessity of software changes. The visual saliency capability offered by this multi camera model allows generic detection of conspicuous objects be it human or nonhuman based on simple low level features. As multiple cameras are used, an image stitching technique is employed to allow combination of Field-of-View (FoV) from different camera captures to provide a panoramic detection field. The stitching technique is also used …
Managing Multidisciplinary Student Design Teams, Martin Masek, Joo Jung, Barnard Clarkson
Managing Multidisciplinary Student Design Teams, Martin Masek, Joo Jung, Barnard Clarkson
Research outputs 2011
The management of multidisciplinary student teams is a challenge. In this paper we describe our experience in running a shared assessment across several units. Four multidisciplinary teams were formed, and success was mixed, with one team splitting into two along discipline lines and all experiencing communication issues. The main management challenges that arose were based around difficulty in communication and the understanding of the other disciplines requirements. We outline the process we used to construct the shared assessment, and provide some insight in how the student groups dealt with issues that arose.
Kindle Forensics: Acquisition And Analysis, Peter Hannay
Kindle Forensics: Acquisition And Analysis, Peter Hannay
Research outputs 2011
The Amazon Kindle eBook reader supports a wide range of capabilities beyond reading books. This functionality includes an inbuilt cellular data connection known as Whispernet. The Kindle provides web browsing, an application framework, eBook delivery and other services over this connection. The historic data left by user interaction with this device may be of forensic interest. Analysis of the Amazon Kindle device has resulted in a method to reliably extract and interpret data from these devices in a forensically complete manner.
Security Risk Management: A Psychometric Map Of Expert Knowledge Structure, David Brooks
Security Risk Management: A Psychometric Map Of Expert Knowledge Structure, David Brooks
Research outputs 2011
The security industry operates within a diverse and multi-disciplined knowledge base, with risk management as a fundamental knowledge domain within security to mitigate its risks. Nevertheless, there has been limited research in understanding and mapping security expert knowledge structures within security risk management to consider if parts of security risk management are unique from more general risk management. This interpretive study applied a technique of multidimensional scaling (MDS) to develop and present a psychometric map within the knowledge domain of security risk management, validated with expert interviews. The psychometric MDS security risk management concept map presented the expert knowledge structure …
Analysis Of Data Remaining On Second Hand Adsl Routers, Patryk Szewczyk
Analysis Of Data Remaining On Second Hand Adsl Routers, Patryk Szewczyk
Research outputs 2011
In theory, an ADSL router can provide an additional layer of security to a wired and wireless network through; access control, wireless encryption, firewall rule sets, and network event logging. An ADSL router may also contain the users’ usage habits and broadband account credentials. However, end-users may be unaware of the intricacies of the security measures available and the potentially confidential information stored on their device. As a result a second hand ADSL router may contain a wealth of user-specific information if not wiped and disposed of in a secure manner. This paper shows the data that was acquired from …
An Investigation Into The Use Of Neural Networks For The Prediction Of The Stock Exchange Of Thailand, Suchira Chaigusin
An Investigation Into The Use Of Neural Networks For The Prediction Of The Stock Exchange Of Thailand, Suchira Chaigusin
Theses: Doctorates and Masters
Stock markets are affected by many interrelated factors such as economics and politics at both national and international levels. Predicting stock indices and determining the set of relevant factors for making accurate predictions are complicated tasks. Neural networks are one of the popular approaches used for research on stock market forecast. This study developed neural networks to predict the movement direction of the next trading day of the Stock Exchange of Thailand (SET) index. The SET has yet to be studied extensively and research focused on the SET will contribute to understanding its unique characteristics and will lead to identifying …
Determinants Of Knowledge Mapping Adoption In Software Maintenance, Joseph K. Lee
Determinants Of Knowledge Mapping Adoption In Software Maintenance, Joseph K. Lee
Theses: Doctorates and Masters
Knowledge Maps (KMaps) could be ideally suited for resolving many of the traceability problems in computer software maintenance. This thesis provides an understanding of the various factors that will encourage or impede the software maintenance community to adopt KMaps as part of their process. ABC Company in Perth, Western Australia, was chosen as the research site because it is a multinational software development company with customers in many major cities around the world. Since Knowledge Mapping (KMapping) is relatively new to most software staffers, it was necessary to develop a Software Maintenance KMap prototype. A literature review of KMapping, innovation …
Model Based Test Suite Minimization Using Metaheuristics, Usman Farooq
Model Based Test Suite Minimization Using Metaheuristics, Usman Farooq
Theses: Doctorates and Masters
Software testing is one of the most widely used methods for quality assurance and fault detection purposes. However, it is one of the most expensive, tedious and time consuming activities in software development life cycle. Code-based and specification-based testing has been going on for almost four decades. Model-based testing (MBT) is a relatively new approach to software testing where the software models as opposed to other artifacts (i.e. source code) are used as primary source of test cases. Models are simplified representation of a software system and are cheaper to execute than the original or deployed system. The main objective …
“Make A Bomb In Your Mums Kitchen”: Cyber Recruiting And Socialisation Of ‘White Moors’ And Home Grown Jihadists, Robyn Torok
“Make A Bomb In Your Mums Kitchen”: Cyber Recruiting And Socialisation Of ‘White Moors’ And Home Grown Jihadists, Robyn Torok
Australian Counter Terrorism Conference
As a consequence of the war on terror, al-Qaeda and associated jihad groups have evolved and made increasing use of internet technologies for cyber recruitment. Recently, there has been an increasing focus on recruiting home grown terrorists who can more easily escape the scrutiny of cross border entries. Case study analysis indicates that links do exist between cyber tools, radicalisation and terrorism, however, the strength and nature of these relationships is generally unclear. Evidence does seem to support that cyber tools are most significant in the initial phases of recruitment and radicalisation. Coupled with this is the strong evolution of …
New Approaches To Mitigation Of Malicious Traffic In Voip Networks, Tobi Wulff, Ray Hunt
New Approaches To Mitigation Of Malicious Traffic In Voip Networks, Tobi Wulff, Ray Hunt
Australian Information Security Management Conference
Voice over IP (VoIP) telephony is becoming widespread in use, and is often integrated into computer networks. Because of this, malicious software threatens VoIP systems in the same way that traditional computer systems have been attacked by viruses, worms, and other automated agents. VoIP networks are a challenge to secure against such malware as much of the network intelligence is focused on the edge devices and access environment. This paper describes the design and implementation of a novel VoIP security architecture in which evaluation of, and mitigation against, malicious traffic is demonstrated by the use of virtual machines to emulate …
Chemical Plume Tracing By Discrete Fourier Analysis And Particle Swarm Optimization, Eugene Jun Jie Neo, Eldin Wee Chuan Lim
Chemical Plume Tracing By Discrete Fourier Analysis And Particle Swarm Optimization, Eugene Jun Jie Neo, Eldin Wee Chuan Lim
Australian Security and Intelligence Conference
A novel methodology for solving the chemical plume tracing problem that utilizes data from a network of stationary sensors has been developed in this study. During a toxic chemical release and dispersion incident, the imperative need of first responders is to determine the physical location of the source of chemical release in the shortest possible time. However, the chemical plume that develops from the source of release may evolve into a highly complex distribution over the entire contaminated region, making chemical plume tracing one of the most challenging problems known to date. In this study, the discrete Fourier series method …
Criminal Intelligence Career Development – Supporting The Case For Integration And Inclusion, Wayne Snell
Criminal Intelligence Career Development – Supporting The Case For Integration And Inclusion, Wayne Snell
Australian Security and Intelligence Conference
The implementation of a developmental continuum for intelligence professionals, based on a traditional competency model may be ubiquitous across the breadth of intelligence. This paper argues that specialised contextual and cultural education and training and subsequent recognition of those skills, knowledge and attributes, is an essential element in achieving organisational and individual objectives for criminal intelligence professionals. The full integration of criminal intelligence operations into police and law enforcement decision making at the tactical, operational and strategic levels is an aspirational step in achieving a multidisciplinary operational environment. The delineation of intelligence practitioners based on employment status, facilitated by the …
A Comparison Of Laboratory And Vulnerability Evaluation Methods For The Testing Security Equipment, Benjamin Beard, David J. Brooks
A Comparison Of Laboratory And Vulnerability Evaluation Methods For The Testing Security Equipment, Benjamin Beard, David J. Brooks
Australian Security and Intelligence Conference
A facility wide security system cannot be tested without causing disruption or creating vulnerabilities within the system. To overcome this issue, individual components or equipment may be evaluated to a priori performance standard. The two common approaches to security equipment evaluations are vulnerability attacks and laboratory testing. Laboratory testing of security equipment can reduce the costs and time associated with evaluations, as well as limiting the subjectivity of the tests. Vulnerability attacks will produce more realistic evaluation results of the whole security system; nevertheless, the data obtained is dependent on the physical attributes and skill of the attackers. This study …
Organisational Resilience: A Propositional Study To Understand And Identify The Essential Concepts, Bruce Braes, David Brooks
Organisational Resilience: A Propositional Study To Understand And Identify The Essential Concepts, Bruce Braes, David Brooks
Australian Security and Intelligence Conference
Increased exposure to turmoil has raised business, social and governmental concerns over the ability of organisations to anticipate and respond positively to disruptions. Organisations are spending increased sums of money to raise levels of security; however, Organisational Resilience is a vague, multidisciplined and diverse philosophy, requiring a multiplicity of skills and knowledge that reaches far beyond security alone. The resilience domain is still developing and expanding; however, early embodiments of Organisational Resilience, originating in the United Kingdom and the United States, were nothing more than a rebranding of business continuity management strategies, put together as a ‘resilience processes’, or ‘resilience …