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Articles 841 - 870 of 1112
Full-Text Articles in Entire DC Network
Steganography: Forensic, Security, And Legal Issues, Merrill Warkentin, Ernst Bekkering, Mark B. Schmidt
Steganography: Forensic, Security, And Legal Issues, Merrill Warkentin, Ernst Bekkering, Mark B. Schmidt
Journal of Digital Forensics, Security and Law
Steganography has long been regarded as a tool used for illicit and destructive purposes such as crime and warfare. Currently, digital tools are widely available to ordinary computer users also. Steganography software allows both illicit and legitimate users to hide messages so that they will not be detected in transit. This article provides a brief history of steganography, discusses the current status in the computer age, and relates this to forensic, security, and legal issues. The paper concludes with recommendations for digital forensics investigators, IT staff, individual users, and other stakeholders.
Towards An Undetectable Computer Virus, Priti Desai
Towards An Undetectable Computer Virus, Priti Desai
Master's Projects
Metamorphic viruses modify their own code to produce viral copies which are syntactically different from their parents. The viral copies have the same functionality as the parent but may have different signatures. This makes signature-based virus scanners unreliable for detecting metamorphic viruses. But statistical pattern analysis tool such as Hidden Markov Models (HMMs) can detect metamorphic viruses. Virus writers use many different code obfuscation techniques to generate metamorphic viruses. In this project we develop a metamorphic engine using code obfuscation techniques. Our metamorphic engine is designed to produce highly diverse morphed copies of the base virus. We show that commercial …
The 2007 Analysis Of Information Remaining On Disks Offered For Sale On The Second Hand Market, Andy Jones, Craig Valli, Glenn S. Dardick, Iain Sutherland
The 2007 Analysis Of Information Remaining On Disks Offered For Sale On The Second Hand Market, Andy Jones, Craig Valli, Glenn S. Dardick, Iain Sutherland
Journal of Digital Forensics, Security and Law
All organisations, whether in the public or private sector, increasingly use computers and other devices that contain computer hard disks for the storage and processing of information relating to their business, their employees or their customers. Individual home users also increasingly use computers and other devices containing computer hard disks for the storage and processing of information relating to their private, personal affairs. It continues to be clear that the majority of organisations and individual home users still remain ignorant or misinformed of the volume and type of information that is stored on the hard disks that these devices contain …
The 2007 Analysis Of Information Remaining On Disks Offered For Sale On The Second Hand Market, Andrew Jones, Craig Valli, Glenn Dardick, Iain Sutherland
The 2007 Analysis Of Information Remaining On Disks Offered For Sale On The Second Hand Market, Andrew Jones, Craig Valli, Glenn Dardick, Iain Sutherland
Research outputs pre 2011
All organisations, whether in the public or private sector, increasingly use computers and other devices that contain computer hard disks for the storage and processing of information relating to their business, their employees or their customers. Individual home users also increasingly use computers and other devices containing computer hard disks for the storage and processing of information relating to their private, personal affairs. It continues to be clear that the majority of organisations and individual home users still remain ignorant or misinformed of the volume and type of information that is stored on the hard disks that these devices contain …
Adapting Information Operations To A Changing World: Future Options For The United States Government, Edwin L. Armistead
Adapting Information Operations To A Changing World: Future Options For The United States Government, Edwin L. Armistead
Theses: Doctorates and Masters
In 1998, the Department of Defense in the United States released the first of a series of seminal policies on Information Operations (IO). Entitled Joint Publication 3-13, this instruction laid out for the first time, in an unclassified format, how the American military forces could utilise this particular element of power. As a relative newly defined activity, this publication proposed to revolutionise the manner in which warfare, diplomacy, business and a number of other areas are conducted. However, this radical transformation in the United States government with regard to IQ has not occurred over the last decade and a significant …
Improving Information Security Management In Nonprofit Organisations With Action, Mark Carey-Smith, Karen Nelson, Lauren May
Improving Information Security Management In Nonprofit Organisations With Action, Mark Carey-Smith, Karen Nelson, Lauren May
Australian Information Security Management Conference
Information security is vital for protecting important assets of organisations, including the information resources and the organisation’s reputation. In Australia, the nonprofit sector makes a significant contribution to society but is under represented in the information security literature. This paper describes research in progress that is investigating and improving information security management in some nonprofit organisations (NPOs), which incorporates a participatory action research methodology. This approach will enhance the skill set likely to be present in Australian nonprofit organisations, producing a more sustainable solution, as well as contributing to the open literature. The Technology Acceptance Model will be utilised as …
Device- Versus Network-Centric Authentication Paradigms For Mobile Devices: Operational And Perceptual Trade-Offs, S. Karatzouni, N. L. Clarke, S. M. Furnell
Device- Versus Network-Centric Authentication Paradigms For Mobile Devices: Operational And Perceptual Trade-Offs, S. Karatzouni, N. L. Clarke, S. M. Furnell
Australian Information Security Management Conference
The increasing capability and functionality of mobile devices is leading to a corresponding increase in the need for security to prevent unauthorised access. Indeed, as the data and services accessed via mobile devices become more sensitive, the existing method of user authentication (predominately based upon Personal Identification Numbers) appears increasingly insufficient. An alternative basis for authentication is offered by biometric approaches; which have the potential to be implemented in a non-intrusive manner and also enable authentication to be applied in an ongoing manner, beyond initial point-of-entry. However, the implementation of any authentication mechanism, particularly biometric approaches, introduces considerations of where …
Importance Of Verification And Validation Of Data Sources In Attaining Information Superiority, Gautham Kasinath, Leisa Armstrong
Importance Of Verification And Validation Of Data Sources In Attaining Information Superiority, Gautham Kasinath, Leisa Armstrong
Australian Information Security Management Conference
Information superiority has been defined as a state that is achieved when a competitive advantage is derived from the ability to exploit a superior information position. To achieve such a superior information position enterprises and nations, alike, must not only collect and record correct, accurate, timely and useful information but also ensure that information recorded is not lost to competitors due to lack of comprehensive security and leaks. Further, enterprises that aim to attain information superiority must also ensure mechanisms of validating and verifying information to reduce the chances of mis-information. Although, research has been carried out into ways to …
Medical Insecurity: When One Size Does Not Fit All, Patricia A. Williams
Medical Insecurity: When One Size Does Not Fit All, Patricia A. Williams
Australian Information Security Management Conference
Security is most commonly seen as a business concept. This is one reason for the poor uptake and implementation of standard security processes in non-business environments such as general medical practice. It is clear that protection of sensitive patient information is imperative yet the overarching conceptual business processes required to ensure this protection are not well suited to this context. The issue of sensitivity of information, together with the expectation that security can be effectively implemented by non-security trained professionals creates an insecure environment. The general security processes used by business, including those for risk assessment, are difficult to operationally …
Virtual Radicalisation: Challenges For Police, Simon O'Rourke
Virtual Radicalisation: Challenges For Police, Simon O'Rourke
Australian Information Warfare and Security Conference
Recent advances in communications technology are providing a medium for individuals or groups to subscribe to extremist worldviews and form networks, access training and obtain information, whilst remaining virtually undetected in the online world. Whilst the Internet is facilitating global virtual communities like Second Life, MySpace and Facebook it is also providing an anonymous meeting place for disenfranchised individuals to gather, share ideas, post and exchange information regarding their particular ideology. This virtual community provides a sense of belonging to a global cause in which the actions of an individual can be aligned to, and seen to contribute towards something …
Critical Infrastructure Systems Modelling: Benchmarking Cpntools, Graeme Pye, Matthew J. Warren
Critical Infrastructure Systems Modelling: Benchmarking Cpntools, Graeme Pye, Matthew J. Warren
Australian Information Warfare and Security Conference
This paper reports on the application of systems modelling benchmarks to determine the viability of systems modelling software and its suitability for modelling critical infrastructure systems. This research applies the earlier research that related to developing benchmarks that when applied to systems modelling software will indicate its likely suitability to modelling critical infrastructure systems. In this context, the systems modeling benchmarks will assess the practicality of CPNTools to the task of modelling critical infrastructure systems.
Managing Analysis, David Shaw
Managing Analysis, David Shaw
Australian Information Warfare and Security Conference
The Intelligence profession requires effective management to function properly and professional discourse highlights the changing nature of intelligence work. Highlighted “failures” are linked to organizational structures and ethos, and proposals to address the problems include discussion of human and organizational factors with recommendations that address the issues. However, optimising the intelligence process may not be a simple case of applying management techniques as the work relies substantially on individual endeavour. Innovative management techniques are needed and these should be grounded in recognising the peculiar nature of analysis and the skill set required.
Commercial Critical Systems And Critical Infrastructure Protection: A Future Research Agenda, Matthew J. Warren, Shona Leitch
Commercial Critical Systems And Critical Infrastructure Protection: A Future Research Agenda, Matthew J. Warren, Shona Leitch
Australian Information Warfare and Security Conference
Secure management of Australia’s commercial critical infrastructure presents ongoing challenges to owners and the government. Although it is currently managed through high-level information sharing via collaboration, but does this suit the commercial sector. One of the issues facing Australia is that the majority of critical infrastructure resides under the control of the business sector and certain aspects such of the critical infrastructure such as Supply Chain Management (SCM) systems are distributed entities and not a single entity. The paper focuses upon the security issues associated with SCM systems and critical infrastructure protection
Space As A New Sphere Of Future Information Warfare, Martti Lehto
Space As A New Sphere Of Future Information Warfare, Martti Lehto
Australian Information Warfare and Security Conference
Air power has seen constant development from the Wright Flyer’s first flight at Kitty Hawk on December 17, 1903 via the advent of the jet age with the service entry of the Messerschmitt Me 262 in 1942, to today’s multirole fighters (F-35 Joint Strike Fighter) and stealth aircraft (B-2 Spirit multi-role bomber). As a result of this evolution of one hundred years air power has emerged as a central component in power projection. As General William Mitchell said: ”Neither armies nor navies can exist unless the air is controlled over them.” (Mitchell 1925, xv)We have witnessed a corresponding development in …
Integrating Game Technology And Discrete Event Simulation To Analyze Mass Casualty Scenarios, Jason Loveland
Integrating Game Technology And Discrete Event Simulation To Analyze Mass Casualty Scenarios, Jason Loveland
Computational Modeling & Simulation Engineering Theses & Dissertations
In the last 10 years, video games have become complex simulation environments with high resolution 3D graphics enabled by powerhouse rendering engines, multi-player client server networks, user friendly displays and graphical user interface , while remaining relatively inexpensive. There is a critical need for systems engineering analysis and rapid trade studies due to changes in operations caused by current events such as terrorist attacks, asymmetric threats, natural disasters, etc. Modem games provide a unique way to visualize and interact with these complex environments, scenarios, missions, and operations. A discrete event simulator (DES) provides an environment to model system architecture behavior, …
Follow The Leader? Price Change Timing In Internet-Based Selling, R. J. Kauffman, Charles A. Wood
Follow The Leader? Price Change Timing In Internet-Based Selling, R. J. Kauffman, Charles A. Wood
Research Collection School Of Computing and Information Systems
Internet technologies should lessen information asymmetry, prompting competitive price reactions, but this does not seem to be happening in Internet-based selling. We study empirical regularities of price change timing for music CD vendors and booksellers to assess several theoretical explanations. Our sample includes 123, 680 daily prices for 169 products and 53 firms. Bertrand competition is insufficient to explain our observation that sellers do not shift prices this way. Tacitly collusive responses to competitors' price changes are observed rather than price changes solely in response to demand or cost shifts as would be expected with Bertrand competition. We find evidence …
A Framework For Analyzing And Mitigating The Vulnerabilities Of Complex Systems Via Attack And Protection Trees, Kenneth S. Edge
A Framework For Analyzing And Mitigating The Vulnerabilities Of Complex Systems Via Attack And Protection Trees, Kenneth S. Edge
Theses and Dissertations
Attack trees have been developed to describe processes by which malicious users attempt to exploit or break complex systems. Attack trees offer a method of decomposing, visualizing, and determining the cost or likelihood of attacks. Attack trees by themselves do not provide enough decision support to system defenders. This research develops the concept of using protection trees to offer a detailed risk analysis of a system. In addition to developing protection trees, this research improves the existing concept of attack trees and develops rule sets for the manipulation of metrics used in the security of complex systems. This research specifically …
Using Author Topic To Detect Insider Threats From Email Traffic, James S. Okolica, Gilbert L. Peterson, Robert F. Mills
Using Author Topic To Detect Insider Threats From Email Traffic, James S. Okolica, Gilbert L. Peterson, Robert F. Mills
Faculty Publications
One means of preventing insider theft is by stopping potential insiders from becoming actual thieves. This article discusses an approach to assist managers in identifying potential insider threats. By using the Author Topic [Rosen-Zvi Michal, Griffiths Thomas, Steyvers Mark, Smyth Padhraic. The author-topic model for authors and documents. In: Proceedings of the 20th conference on uncertainty in artificial intelligence; 2004. p. 487–94.] clustering algorithm, we discern employees' interests from their daily emails. These interests then provide a means to create an implicit and an explicit social network graph. This approach locates potential insiders by finding individuals who either (1) feel …
Experimental Comparison Of Peer-To-Peer Streaming Overlays: An Application Perspective, Jeff Seibert, Davied Zae, Sonia Fahmy, Cristina Nita-Rotaru
Experimental Comparison Of Peer-To-Peer Streaming Overlays: An Application Perspective, Jeff Seibert, Davied Zae, Sonia Fahmy, Cristina Nita-Rotaru
Department of Computer Science Technical Reports
No abstract provided.
A Model For Managing Decision-Making Information In The Gig-Enabled Battlespace, Samuel D. Bass, Rusty O. Baldwin
A Model For Managing Decision-Making Information In The Gig-Enabled Battlespace, Samuel D. Bass, Rusty O. Baldwin
Computer Science Faculty Publications
The Defense Department is transforming information-technology systems into a Global Information Grid (GIG) that will connect sensors to weapons systems and provide unprecedented situational awareness. The authors suggest that if not properly implemented, the GIG may overwhelm war fighters with information presented at the wrong time, at the wrong level of detail, and without proper analysis. This article proposes a model to direct the flow of information in the GIG.
The Evolution Of Internet Legal Regulation In Addressing Crime And Terrorism, Murdoch Watney
The Evolution Of Internet Legal Regulation In Addressing Crime And Terrorism, Murdoch Watney
Annual ADFSL Conference on Digital Forensics, Security and Law
Internet regulation has evolved from self-regulation to the criminalization of conduct to state control of information available, accessed and submitted. Criticism has been leveled at the different forms of state control and the methods employed to enforce state control. After the terrorist attack on the USA on 11 September 2001, governments justify Internet state control as a law enforcement and national security tool against the abuse and misuse of the Internet for the commission of serious crimes, such as phishing, child pornography; terrorism and copyright infringement. Some Internet users and civil rights groups perceive state control as an abomination which …
In Pursuit Of An Aptitude Test For Potential Cyberspace Warriors, Tiffiny S. Smith
In Pursuit Of An Aptitude Test For Potential Cyberspace Warriors, Tiffiny S. Smith
Theses and Dissertations
The Air Force has officially assumed the cyberspace mission. To perform this mission well, it is important to employ personnel who have the necessary skill sets and motivation to work in a cyberspace environment. The first step in employing the right people is to screen all possible candidates and select those with an aptitude for acquiring the skill sets and with the motivation to perform this work. This thesis attempts to determine the necessary skills and motivations to perform the cyberspace mission and recommends a screening process to select the candidates with the highest probability for success. Since this mission …
Internet Protocol Geolocation: Development Of A Delay-Based Hybrid Methodology For Locating The Geographic Location Of A Network Node, John M. Roehl
Internet Protocol Geolocation: Development Of A Delay-Based Hybrid Methodology For Locating The Geographic Location Of A Network Node, John M. Roehl
Theses and Dissertations
Internet Protocol Geolocation (IP Geolocation), the process of determining the approximate geographic location of an IP addressable node, has proven useful in a wide variety of commercial applications. Commercial applications of IP Geolocation include market research, redirection for performance enhancement, restricting content, and combating fraud. The potential for military applications include securing remote access via geographic authentication, intelligence collection, and cyber attack attribution. IP Geolocation methods can be divided into three basic categories based upon what information is used to determine the geographic location of the given IP address: 1) Information contained in databases, 2) information that is leaked during …
Use Of Tabu Search In A Solver To Map Complex Networks Onto Emulab Testbeds, Jason E. Macdonald
Use Of Tabu Search In A Solver To Map Complex Networks Onto Emulab Testbeds, Jason E. Macdonald
Theses and Dissertations
The University of Utah's solver for the testbed mapping problem uses a simulated annealing metaheuristic algorithm to map a researcher's experimental network topology onto available testbed resources. This research uses tabu search to find near-optimal physical topology solutions to user experiments consisting of scale-free complex networks. While simulated annealing arrives at solutions almost exclusively by chance, tabu search incorporates the use of memory and other techniques to guide the search towards good solutions. Both search algorithms are compared to determine whether tabu search can produce equal or higher quality solutions than simulated annealing in a shorter amount of time. It …
Profiling Through A Digital Mobile Device, Lee Fueng Yap, Andy Jones
Profiling Through A Digital Mobile Device, Lee Fueng Yap, Andy Jones
Australian Digital Forensics Conference
Mobile digital devices have evolved from telecommunications device to a lifestyle product over the years. These devices are used in all aspects of our daily life. As a result, more information is stored within the devices. Unprotected mobile digital device is susceptible to privacy invasion attack when the device falls into the wrong hand of any unscrupulous third party. The main objective of this paper is to provide an implication analysis on the possible risks of information leakage through digital mobile devices, in the case when users forget to, or choose never to apply any security protection to their devices
Use Of Thrust Vectors In Support Of The Cybercraft Initiative, Michael Stevens
Use Of Thrust Vectors In Support Of The Cybercraft Initiative, Michael Stevens
Theses and Dissertations
The CyberCraft Initiative is designing a framework for command and control of future Air Force Cyber-weapon systems, that autonomously operate and defend the Air Force networks and information systems to provide Cyberspace Superiority in support of the defense of the United States. The fundamental research question of the CyberCraft Initiative is "What is required for a commander to trust a CyberCraft to autonomously defend military information systems?" The Trust Vector model is one method of integrating trust into the CyberCraft fleet. Trust Vectors define trust and distrust between agents based on three components; current and historical data, intrinsic knowledge of …