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Articles 661 - 690 of 1285
Full-Text Articles in Computer Sciences
Acquisition Of Digital Evidence In Android Smartphones, Andre Morum De L. Simao, Fabio Caus Sicoli, Laerte Peotta De Melo, Rafael Timoteo De Sousa Junior
Acquisition Of Digital Evidence In Android Smartphones, Andre Morum De L. Simao, Fabio Caus Sicoli, Laerte Peotta De Melo, Rafael Timoteo De Sousa Junior
Australian Digital Forensics Conference
From an expert's perspective, an Android phone is a large data repository that can be stored either locally or remotely. Besides, its platform allows analysts to acquire device data, collecting information about its owner and facts that are under investigation. This way, by exploring and cross referencing that rich data source, one can get information related to unlawful acts and its perpetrator. There are widespread and well documented approaches to forensic examining mobile devices and computers. Nevertheless, they are not specific nor detailed enough to examine modern smartphones, since these devices have internal memories whose removal or mirroring procedures are …
Cloud Computing Concerns In Developing Economies, Mathias Mujinga, Baldreck Chipangura
Cloud Computing Concerns In Developing Economies, Mathias Mujinga, Baldreck Chipangura
Australian Information Security Management Conference
Cloud computing promises to bring substantial benefits to how organizations conduct their businesses and the way their services reach out to potential consumers. Cloud computing is a welcome initiative for small businesses that cannot afford to invest in ICT infrastructure but need to benefit from the rewards of conducting business online. In developing economies, there are challenges that face cloud services providers and their consumers. Broadband network access was identified as the main essential service for a successful cloud computing offering. The objective of this paper is to give background information on the security issues in cloud computing, and highlight …
Visualising Forensic Data: Investigation To Court, Ken Fowle, Damian Schofield
Visualising Forensic Data: Investigation To Court, Ken Fowle, Damian Schofield
Australian Digital Forensics Conference
Visualisation is becoming increasingly important for understanding information, such as investigative data (for example: computing, medical and crime scene evidence) and analysis (for example: network capability assessment, data file reconstruction and planning scenarios). Investigative data visualisation is used to reconstruct a scene or item and is used to assist the viewer (who may well be a member of the general public with little or no understanding of the subject matter) to understand what is being presented. Analysis visualisations, on the other hand, are usually developed to review data, information and assess competing scenario hypotheses for those who usually have an …
Tracing Sources Of Dos And Ddos Attack: Evidential Recovery, Brian Cusack, Cary Ho
Tracing Sources Of Dos And Ddos Attack: Evidential Recovery, Brian Cusack, Cary Ho
Australian Digital Forensics Conference
The ability to trace back to the network source of a computer service attack is an important step in locating evidence that may be used to identify and to prosecute those responsible. The instability of the internetwork environments however makes both tracing and justifying the credibility of evidence obtained challenges for investigators. In this research four methods for tracing the sources of attacks are reviewed and one selected for testing in public and open networks. Specifically the Time-To-Live (TTL) field is to be investigated for trace back potential in a method called the hop count distance method. The results show …
Organisational Preparedness For Hosted Virtual Desktops In The Context Of Digital Forensics, Nirbhay Jawale, Ajit Narayanan
Organisational Preparedness For Hosted Virtual Desktops In The Context Of Digital Forensics, Nirbhay Jawale, Ajit Narayanan
Australian Digital Forensics Conference
Virtualization in computing has progressed to an extent where desktops can be virtualized and accessed from anywhere. The server hosted model has already surpassed 1% market share of the worldwide professional PC market, with estimates indicating that this is a rapidly growing area. This paper investigates the adequacy of current digital forensic procedures on hosted virtual desktops (HVDs) as there does not appear to be specific methods of locating and extracting evidences from this infrastructure. A hosted virtual desktop deployed in private clouds was simulated to reflect two different computer crime scenarios. It was found that current digital forensic procedures …
Security Risk Management In The Asia Pacific Region: What Are Security Professional Using?, David J. Brooks, Hamish Cotton
Security Risk Management In The Asia Pacific Region: What Are Security Professional Using?, David J. Brooks, Hamish Cotton
Australian Security and Intelligence Conference
The Asia Pacific (APAC) region encompasses a heterogeneous group of nation-states. Like the APAC region, the security industry operates within a diverse and multi-disciplined knowledge base, with risk management being a fundamental knowledge domain within security. Nevertheless, there has been limited understanding of what security professionals use when applying security risk management. The study was designed to gain a better understanding of risk management practice in place throughout APAC. Questions were generated to gauge an understanding of current practice and levels of implementation of standards and frameworks. Participants were drawn from many industries, using non-probabilistic sampling methods in a “snowball” …
Insecurity By Obscurity Continues: Are Adsl Router Manuals Putting End-Users At Risk, Kim Andersson, Patryk Szewczyk
Insecurity By Obscurity Continues: Are Adsl Router Manuals Putting End-Users At Risk, Kim Andersson, Patryk Szewczyk
Australian Information Security Management Conference
The quantity and sophistication of threats targeting ADSL routers is on a steady increase. There is a reliance on end-users to ensure that their ADSL router is secure by continually updating the firmware, using strong authentication credentials, and enabling the in-built firewall. However, to do this, the end-user must be presented with well written procedural instructions, and an explanation of why this is important. This paper examines the design quality and security content provided by vendors in ADSL router manuals. This paper reveals that the lack of security related content and poor overall design could impact on end-users’ interpretation and …
Enhancing Automated Red Teaming With Monte Carlo Tree Search, Daniel Beard
Enhancing Automated Red Teaming With Monte Carlo Tree Search, Daniel Beard
Theses : Honours
This study has investigated novel Automated Red Teaming methods that support replanning. Traditional Automated Red Teaming (ART) approaches usually use evolutionary computing methods for evolving plans using simulations. A drawback of this method is the inability to change a team’s strategy part way through a simulation. This study focussed on a Monte-Carlo Tree Search (MCTS) method in an ART environment that supports re-planning to lead to better strategy decisions and a higher average score
Guidelines For The Digital Forensic Processing Of Smartphones, Khawla Abdulla Alghafli, Andrew Jones, Thomas Anthony Martin
Guidelines For The Digital Forensic Processing Of Smartphones, Khawla Abdulla Alghafli, Andrew Jones, Thomas Anthony Martin
Australian Digital Forensics Conference
Today Smartphone devices are widespread and they hold a number of types of information about the owner and their activities. As a result of the widespread adoption of these devices into every aspect of our lives they can be involved in almost any crime. The aim of digital forensics of Smartphone devices is to recover the digital evidence in a forensically sound manner so that the digital evidence can be presented and accepted in court. The digital forensic process consists of four phases which are preservation, acquisition, examination/analysis and finally presentation. In this paper we look at various types of …
Looking To Iphone Backup Files For Evidence Extraction, Clinton Carpene
Looking To Iphone Backup Files For Evidence Extraction, Clinton Carpene
Australian Digital Forensics Conference
iPhone logical backup files can provide forensic examiners with almost the entire contents of its host phone up until the point that the backup took place. This paper serves to provide an overview of the information attainable via the analysis of an iPhone backup, making references to the applicability of such analysis in the digital forensics field. The paper introduces the backup directories for various common operating systems, and exposes the contents. Information about the property lists (plist files) containing information about the backed-up device and its contents are detailed, along with the mbdb/mbdx database files, and finally the extension-less …
Systems Architecture For The Acquisition And Preservation Of Wireless Network Traffic, Brian Cusack, Thomas Laurenson
Systems Architecture For The Acquisition And Preservation Of Wireless Network Traffic, Brian Cusack, Thomas Laurenson
Australian Digital Forensics Conference
Wireless networking provides a ready and cost effective solution for business applications. It has escalated in popularity mainly due to the ability to form computer networks without a wired based infrastructure. However, accompanying the widespread usage also comes the inherent prospect of criminal misuse, including unauthorized application and the launch of system attacks. This paper presents the testing of an innovative Wireless Forensic Model (WFM) system that provides capability for acquisition and preservation of wireless network traffic (802.11) frames by implementing a wireless drone architecture. It is thus a forensic readiness system providing available evidence for forensic investigation. The results …
Component Technologies For E-Discovery And Prototyping Of Suit-Coping System, Youngsoo Kim, Dowon Hong
Component Technologies For E-Discovery And Prototyping Of Suit-Coping System, Youngsoo Kim, Dowon Hong
Australian Digital Forensics Conference
As ESI (Electronically Stored Information) is included in extent of evidence that become discovery's target in FRCP(Federal Rules of Civil Procedure) taken effect on December 1, 2006, enterprises been always vexing in several litigations need to adapt systems coping with e-Discovery such as ESI administration or information preservation. In this paper, component technologies for all steps of e-Discovery are described in detail, and as a prototype of preparing system for e-Discovery, agent-based information management and control system being able to manage ESI stored at some computers centrally and respond rapidly on demand, extracting discoveryrelated data using digital forensic technologies, are …
An Evaluation Of Data Erasing Tools, Thomas Martin, Andrew Jones
An Evaluation Of Data Erasing Tools, Thomas Martin, Andrew Jones
Australian Digital Forensics Conference
The permanent removal of data from computer disks has always been problematic. This has been due, in part, to the lack of availability of tools, and in part due to the misperception by the user that when a file is deleted it is destroyed and cannot be recovered and that when a disk is formatted, the data is destroyed. In this paper, we examine a number of the commonly available tools to determine how effectively they function and whether they achieve the aim of the effective destruction of data
A 2011 Investigation Into Remnant Data On Second Hand Memory Cards Sold In Australia, Patryk Szewczyk, Krishnun Sansurooah
A 2011 Investigation Into Remnant Data On Second Hand Memory Cards Sold In Australia, Patryk Szewczyk, Krishnun Sansurooah
Australian Digital Forensics Conference
The use of memory cards is widely used in numerous electronic devices including tablet computers, cameras, mobile phones and multimedia devices. Like a USB drive, memory cards are an inexpensive and portable persistent storage solution. Numerous manufactures are incorporating a memory card interface into their product, allowing for a large array of confidential data to be stored. This research aimed to determine the sensitivity, type and amount of data that remained on second hand memory cards post sale. In 2011, over an eight month period, 119 second hand memory cards were randomly purchased from eBay Australia. The findings from the …
Programmable Logic Controller Based Fibre Bragg Grating In-Ground Intrusion Detection System, Gary Allwood, Graham Wild, Steven Hinckley
Programmable Logic Controller Based Fibre Bragg Grating In-Ground Intrusion Detection System, Gary Allwood, Graham Wild, Steven Hinckley
Australian Security and Intelligence Conference
In this paper we present an in-ground intrusion detection system for security applications. Here, an optical fibre pressure switch is directly connected to a standard digital input of a programmable logic controller (PLC). This is achieved using an intensiometric detection system, where a laser diode and Fibre Bragg Grating (FBG) are optically mismatched, resulting in a static dc offset from the transmitted and reflected optical power signals. Pressure applied to the FBG, as the intruder stepped on it, induced a wavelength shift in the FBG. The wavelength shift was then converted into an intensity change as the wavelength of the …
Case Studies: A Security Science Research Methodology, Bill Bailey
Case Studies: A Security Science Research Methodology, Bill Bailey
Australian Security and Intelligence Conference
As a relatively new discipline Security Science is searching for academic acceptance very often combining established hard science approaches with those of Social Science and Humanities. Methodologies need to be developed to equip the discipline to conduct more varied research. One such method is the use of the case study approach, as it allows multiple inputs from a variety of sources to build up the research into a central review, allowing conclusions and recommendations to be drawn from the data. Though relatively common in the business world for conducting reports, this has not hitherto been the position in academia. The …
Mapping The Organizational Relations Within Physical Security’S Body Of Knowledge: A Management Heuristic Of Sound Theory And Best Practice, Richard Coole, David J. Brooks
Mapping The Organizational Relations Within Physical Security’S Body Of Knowledge: A Management Heuristic Of Sound Theory And Best Practice, Richard Coole, David J. Brooks
Australian Security and Intelligence Conference
Security Science education at university levels is still in its infancy, with little agreement towards knowledge, curriculum and competency. Therefore, it is essential that educators draw on relevant literature highlighting means of efficient and effective knowledge transfer for tertiary students within the Security Science domain. Such knowledge transfer will reduce the gap between academic knowledge (explicit) and professional competency (tacit knowledge). This paper presents phase one of a multiphase study. A qualitative “systems based knowledge structure” of security domain categories has been conceptually mapped as a domain heuristic. The heuristic drew on research highlighting that experts have both richer depths …
Wi-Fi Security: Wireless With Confidence, Lucas Jacob, Damien Hutchinson, Jemal Abawajy
Wi-Fi Security: Wireless With Confidence, Lucas Jacob, Damien Hutchinson, Jemal Abawajy
Australian Security and Intelligence Conference
Since the IEEE ratification of the 802.11 standard in 1999, continuous exploits have been discovered compromising the confidentiality, integrity and availability of 802.11 networks. This paper describes the justification for a project to assess the security status of wireless network usage in society. It reviews the status of both commercial and residential approaches to wireless network security in three major Victorian cities, Melbourne, Geelong and Mornington, in Australia. By War Driving these suburbs, actual data was gathered to indicate the security status of wireless networks and give a representation of modern attitudes towards wireless security for the sample population. Preliminary …
Information Evaluation: How One Group Of Intelligence Analysts Go About The Task, John Joseph, Jeff Corkill
Information Evaluation: How One Group Of Intelligence Analysts Go About The Task, John Joseph, Jeff Corkill
Australian Security and Intelligence Conference
Source and information evaluation is identified as being a critical element of the analytical process and production of intelligence products. However there is concern that in reality evaluation is being carried out in a cursory fashion involving limited intellectual rigour. Poor evaluation is also thought to be a causal factor in the failure of intelligence. This study examined the process of information and source evaluation as understood and practiced by, six West Australian Police Force, (WAPOL) intelligence analysts. Data was gathered by use of a focus group with that data being compared against the current literature. It was discovered that …
Penetration Of Zigbee-Based Wireless Sensor Networks, Michael N. Johnstone, Jeremy A. Jarvis
Penetration Of Zigbee-Based Wireless Sensor Networks, Michael N. Johnstone, Jeremy A. Jarvis
Australian Information Warfare and Security Conference
Wireless Sensor Networks are becoming popular as a simple means of collecting data by public utilities, motor vehicle manufacturers and other organisations. Unfortunately the devices on such networks are often insecure by default, which presents problems in terms of the integrity of the data provided across those networks. This paper explores a range of attacks that were successful on a network consisting of nodes using the ZigBee protocol stack and proposes defences that can be put in place to circumvent these attacks thus leading to more secure systems and increasing user confidence.
A Proposal For Utilising Active Jamming For The Defence Of Rfid Systems Against Attack, Christopher Bolan
A Proposal For Utilising Active Jamming For The Defence Of Rfid Systems Against Attack, Christopher Bolan
Australian Information Security Management Conference
With a range of documented attacks against RFID systems a majority of the current literature is focused on the encryption of the communication. This paper addresses such attacks by proposing alternative means of protection through utilising some of the same methods that may be used to attack these systems. The proposed methods would allow for increased security within a range of RFID applications whilst still allowing for normal operations compliant with the relevant standards.
User Perceptions Of End User License Agreements In The Smartphone Environment, Hamish Cotton, Christopher Bolan
User Perceptions Of End User License Agreements In The Smartphone Environment, Hamish Cotton, Christopher Bolan
Australian Information Security Management Conference
With the increasing usage of smartphones as a computing platform has come alongside the movement of End User License Agreements to such platforms. The smartphone platform brings new issues to these agreements especially with the advent of app stores, which allow access to a large consumer base to small or unknown developers. This survey conducted in Perth, Western Australia looked at user perceptions of EULAs on smartphone devices. The results show that a majority of users do not read such agreements citing issues of readability and length. Even amongst those that do read the agreements there is a majority feeling …
A Longitudinal Study Of Wi-Fi Access Point Security Inthe Perth Central Business District, Emil Jacobson, Andrew Woodward
A Longitudinal Study Of Wi-Fi Access Point Security Inthe Perth Central Business District, Emil Jacobson, Andrew Woodward
Australian Information Security Management Conference
This study collected data in 2008 and 2011 in relation to the level of apparent security of wireless network access points in the Perth CBD. It also compared this data to a comparable study conducted in 2004. The aim was to determine whether businesses were using an appropriate level of encryption to protect their wireless networks. A pre-determined route was followed which traced the Perth CBD and the open source wireless network auditing tool Kismet was used to survey the wireless networks. In 2008, approximately 1300 access points were discovered in the Perth CBD, this number climbing to approximately 3400 …
Modelling Misuse Cases As A Means Of Capturing Security Requirements, Michael N. Johnstone
Modelling Misuse Cases As A Means Of Capturing Security Requirements, Michael N. Johnstone
Australian Information Security Management Conference
Use cases as part of requirements engineering are often seen as an essential part of systems development in many methodologies. Given that modern, security-oriented software development methods such as SDL , SQUARE and CLASP place security at the forefront of product initiation, design and implementation, the focus of requirements elicitation must now move to capturing security requirements so as not to replicate past errors. Misuse cases can be an effective tool to model security requirements. This paper uses a case study to investigate the generation of successful misuse cases by employing the STRIDE framework as used in the SDL.
Australian Primary Care Health Check: Who Is Accountable For Information Security?, Rachel J. Mahncke, Patricia A H Williams
Australian Primary Care Health Check: Who Is Accountable For Information Security?, Rachel J. Mahncke, Patricia A H Williams
Australian Information Security Management Conference
Primary healthcare in Australia is vulnerable to a multitude of information security threats and insecure practices. This situation is increasingly important in the developing e-health environment. Information security is everyone’s responsibility and it is extensively documented in international standards and best practice frameworks, that this responsibility should be part of formal job descriptions. This necessitates incorporation of security at a functional level for all staff. These responsibilities are integral to demonstrable accountability, together with an authority to take action. Indeed, whilst senior management will ultimately be held accountable, staff need to be aware of the potential issues, given the responsibility …
An Exploratory Study Of Erm Perception In Oman And Proposing A Maturity Model For Risk Optimization, Arun N. Shivashankarappa, D Ramalingam, Leonid Smalov, N Anbazhagan
An Exploratory Study Of Erm Perception In Oman And Proposing A Maturity Model For Risk Optimization, Arun N. Shivashankarappa, D Ramalingam, Leonid Smalov, N Anbazhagan
Australian Information Security Management Conference
Enterprise Risk management is a process vital to enterprise governance which has gained tremendous momentum in modern business due to the dynamic nature of threats, vulnerability and stringent regulatory requirements. The business owners have realized that, risk creates opportunity which in turn creates value. Identifying and mitigating risk proactively across the enterprise is the purview of Enterprise Risk Management (ERM).However, key errors in the ERM process such as misinterpretation of statistical data, overlooking change management, inadequate attention to supply chain interdependencies, excessive trust of insiders and business partners, ambiguous grouping of risks and poor documentation has contributed significantly to the …
Efficient And Expressive Fully Secure Attribute-Based Signature In The Standard Model, Piyi Yang, Tanveer A. Zia, Zhenfu Cao, Xiaolei Dong
Efficient And Expressive Fully Secure Attribute-Based Signature In The Standard Model, Piyi Yang, Tanveer A. Zia, Zhenfu Cao, Xiaolei Dong
Australian Information Security Management Conference
Designing a fully secure (adaptive-predicate unforgeable and perfectly private) attribute-based signature (ABS), which allows a signer to choose a set of attributes in stead of a single string representing the signer‘s identity, under standard cryptographic assumption in the standard model is a challenging problem. Existing schemes are either too complicated or only proved in the generic group model. In this paper, we present an efficient fully secure ABS scheme in the standard model based on q-parallel BDHE assumption which is more practical than the generic group model used in the previous scheme. To the best of our knowledge, our scheme …
Estimating Pulse Wave Velocity Using Mobile Phone Sensors, Rohan Anchan
Estimating Pulse Wave Velocity Using Mobile Phone Sensors, Rohan Anchan
Theses : Honours
Pulse wave velocity has been recognised as an important physiological phenomenon in the human body, and its measurement can aid in the diagnosis and treatment of chronic diseases. It is the gold standard for arterial stiffness measurements, and it also shares a positive relationship with blood pressure and heart rate. There exist several methods and devices via which it can be measured. However, commercially available devices are more geared towards working health professionals and hospital settings, requiring a significant monetary investment and specialised training to operate correctly. Furthermore, most of these devices are not portable and thus generally not feasible …
Risk-Based Intervention Profiling In Complex Environments (Impacted By Time-Restricted Conditions), Joseph D. Ducie
Risk-Based Intervention Profiling In Complex Environments (Impacted By Time-Restricted Conditions), Joseph D. Ducie
Theses : Honours
Security in the aviation environment is an evolving concept. Security risk profiling is an issue of significant importance in the aviation spectrum. This study examined the profiling undertaken on Australia’s bio-security border, with specific attention given to the Australian Quarantine Inspection Service (AQIS) and the officers that use risk-based profiling within the complex environment found on the border—and how effectiveness is impacted by time. Aviation security is a real and current issue for Australia and the international community as a whole. Given recent outbreaks, and the relative ease of international air travel, of such pests and diseases (SARS, Swine Flu, …
Designing A Knowledge Distribution Simulator, Martin Hill, Graham Fletcher
Designing A Knowledge Distribution Simulator, Martin Hill, Graham Fletcher
Australian Information Warfare and Security Conference
To make good decisions, we need to be suitably informed. 'Good' and 'Suitably' in this case depend on the informational needs of the decision and the mechanisms of getting the information to the decision maker in time. The trade-offs in qualities, quantities, timeliness, impacts on other activities, and so on are infamously wickedly complex, and usually buried in a clutter of special circumstances, personality characteristics, environments unsuitable for study, and so on. Decision-making systems can be explored using case studies and exercises, but these are limited by the expense and time of using real people. A virtual simulator for large …