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Articles 3901 - 3930 of 4677
Full-Text Articles in Information Security
Yet Another Symbian Vulnerability Update, Nizam Uddin Bhuiyan
Yet Another Symbian Vulnerability Update, Nizam Uddin Bhuiyan
Australian Information Security Management Conference
The more the mobile devices are approaching to advance their security, the numbers of vulnerabilities are also becoming more astonishing. The number of mobile phones including smart phones is rising vertically, and so has the amount of malware activity. This report documents the latest threats in Symbian mobile industry and analyses the consequence. In addition, it will suggest the possible solution that may help individuals to protect their device & ultimately maintain the privacy.
Development And Evaluation Of A Secure Web Gateway Using Existing Icap Open Source Tools, Michael Pearce, Ray Hunt
Development And Evaluation Of A Secure Web Gateway Using Existing Icap Open Source Tools, Michael Pearce, Ray Hunt
Australian Information Security Management Conference
This work in progress paper discusses the development and evaluation of an open source secure web gateway. The proof of concept system uses a combination of open source software (including the Greasyspoon ICAP Server, Squid HTTP proxy, and Clam Antivirus) to perform the various security tasks that range from simple (such as passive content insertion) to more advanced (such as active content alteration) by modules installed on the server. After discussing the makeup of the proof of concept system we discuss our evaluation methodology for both effectiveness and performance. The effectiveness was tested using comparative analysis of groups of self-browsing …
Success Of Agile Environment In Complex Projects, Abbass Ghanbary, Julian Day
Success Of Agile Environment In Complex Projects, Abbass Ghanbary, Julian Day
Australian Information Warfare and Security Conference
This paper discusses the impact of agile methodology in complex and modular interrelated projects based on the authors’ practical experience and observations. With the advancement of Web technologies and complex computer systems, business applications are able to transcend boundaries in order to fully meet business requirements and comply with the legislation, policies and procedures. The success of software development as well as software deployment of these complex applications is dependent upon the employed methodology and project management. This is so because employed methodology plays an important position in capturing and modeling of business requirements and project management helps to ensure …
An Analytical Study Of It Security Governance And Its Adoption On Australian Organisations, Tanveer A. Zia
An Analytical Study Of It Security Governance And Its Adoption On Australian Organisations, Tanveer A. Zia
Australian Information Security Management Conference
Contemporary organisations are at infancy stages of adopting IT governance processes in Australia. Organisations who have adopted these processes underestimate the security processes within the governance framework. If the security processes are designed, they are often flawed with operational level implementation. This study investigates IT security governance broadly and in Australian organisations specifically. The objective of this study is to bring the local organisations in alignment with international standards and frameworks in terms of integration of information security, IT audits, risks and control measures. A survey of selected organisations is completed and results are presented in this paper identifying the …
Security Information Supplied By Australian Internet Service Providers, Patryk Szewczyk
Security Information Supplied By Australian Internet Service Providers, Patryk Szewczyk
Australian Information Security Management Conference
Results from previous studies indicate that numerous Internet Service Providers within Australia either have inadequately trained staff, or refuse to provide security support to end-users. This paper examines the security information supplied by Internet Service Providers on their website. Specifically content relating to securing; a wireless network, an ADSL router, and a Microsoft Windows based workstation. A further examination looked at the accuracy, currency, and accessibility of information provided. Results indicate that the information supplied by Internet Service Providers is either inadequate or may in fact further deter the end-user from appropriately securing their computer and networking devices.
The Economics Of Developing Security Embedded Software, Craig S. Wright, Tanveer A. Zia
The Economics Of Developing Security Embedded Software, Craig S. Wright, Tanveer A. Zia
Australian Information Security Management Conference
Market models for software vulnerabilities have been disparaged in the past citing how these do little to lower the risk of insecure software. In this paper we argue that the market models proposed are flawed and not the concept of a market itself. A well-defined software risk derivative market would improve the information exchange for both the software user and vendor removing the often touted imperfect information state that is said to believe the software industry. In this way, users could have a rational means of accurately judging software risks and costs and as such the vendor could optimally apply …
Anomaly Detection Over User Profiles For Intrusion Detection, Grant Pannell, Helen Ashman
Anomaly Detection Over User Profiles For Intrusion Detection, Grant Pannell, Helen Ashman
Australian Information Security Management Conference
Intrusion detection systems (IDS) have often been used to analyse network traffic to help network administrators quickly identify and respond to intrusions. These detection systems generally operate over the entire network, identifying “anomalies” atypical of the network’s normal collective user activities. We show that anomaly detection could also be host-based so that the normal usage patterns of an individual user could be profiled. This enables the detection of masquerading intruders by comparing a learned user profile against the current session’s profile. A prototype behavioural IDS applies the concept of anomaly detection to user behaviour and compares the effects of using …
Information Security Risk Assessment: Towards A Business Practice Perspective, Piya Shedden, Wally Smith, Atif Ahmad
Information Security Risk Assessment: Towards A Business Practice Perspective, Piya Shedden, Wally Smith, Atif Ahmad
Australian Information Security Management Conference
Information security risk assessments (ISRAs) are of great importance for organisations. Current ISRA methods identify an organisation’s security risks and provide a measured, analysed security risk profile of critical information assets in order to build plans to treat risk. However, despite prevalent use in organisations today, current methods adopt a limited view of information assets during risk identification. In the context of day-to-day activities, people copy, print and discuss information, leading to the ‘leakage’ of information assets. Employees will create and use unofficial assets as part of their day-to-day routines. Furthermore, employees will also possess important knowledge on how to …
Organisational Learning And Incident Response: Promoting Effective Learning Through The Incident Response Process, Piya Shedden, Atif Ahmad, A B. Ruighaver
Organisational Learning And Incident Response: Promoting Effective Learning Through The Incident Response Process, Piya Shedden, Atif Ahmad, A B. Ruighaver
Australian Information Security Management Conference
Effective response to information security incidents is a critical function of modern organisations. However, recent studies have indicated that organisations have adopted a narrow and technical view of incident response (IR), focusing on the immediate concern of detection and subsequent corrective actions. Although some reflection on the IR process may be involved, it is typically limited to technical issues and does not leverage opportunities to learn about the organisational security threat environment and to adapt incident response capabilities. Given the science of incident response is rooted in practice, it is not surprising that the same criticisms can be applied to …
Information Security Disclosure: A Victorian Case Study, Ian Rosewall, Matthew Warren
Information Security Disclosure: A Victorian Case Study, Ian Rosewall, Matthew Warren
Australian Information Security Management Conference
This paper will focus upon the impact of Generation Y and their attitudes to security. The paper will be based around discussing the findings of a recent report by the Office of Police Integrity (OPI) on “Information Security and the Victoria Police State Surveillance Unit”. Issues that will be discussed include the context of Generation Y and how they contribute to the case study, their attitudes, or their perceived attitudes to security of information. A discussion of the OPI report itself, and the issues that have arisen. A brief overview of the key findings within this report and the implications …
The Complexity Of Security Studies In Nfc Payment System, Marc Pasquet, Sylvie Gerbaix
The Complexity Of Security Studies In Nfc Payment System, Marc Pasquet, Sylvie Gerbaix
Australian Information Security Management Conference
If we compare the security problem of a face-to-face contactless card payment process with a mobile phone NFC payment process, we may easily consider that the latter is far more difficult to study. Indeed, the more partners from different organizations involved in the process there are, the more complex the studies are and, accordingly, its protection. As well as the current solutions applied to studying the electronic payment security chain (Common Criteria, ISO 27005, etc), the James Reason model has pointed out the specific risks implied by the interaction between the different links in a complex chain. His theory has …
International Relations And Cyber Attacks: Official And Unofficial Discourse, Kay Hearn, Patricia A H Williams, Rachel J. Mahncke
International Relations And Cyber Attacks: Official And Unofficial Discourse, Kay Hearn, Patricia A H Williams, Rachel J. Mahncke
Australian Information Warfare and Security Conference
The potential for cyberwarfare is vast and is of concern to all nations, and national security defence. It appears that many countries are actively trying to protect their computer networks, whilst looking for ways that might bring down the networks of other countries, although this is not officially acknowledged. Bringing down another nations computer networks could give the attacking national intelligence and control. These kinds of interactions are now a part of the way in which international relations are played out, and the internet is also a place in which international relations are contested. As such the internet plays a …
2d Spatial Distributions For Measures Of Random Sequences Using Conjugate Maps, Qingping Li, Jeffrey Zhi J. Zheng
2d Spatial Distributions For Measures Of Random Sequences Using Conjugate Maps, Qingping Li, Jeffrey Zhi J. Zheng
Australian Information Warfare and Security Conference
Advanced visual tools are useful to provide additional information for modern information warfare. 2D spatial distributions of random sequences play an important role to understand properties of complex sequences. This paper proposes time-sequences from a given logical function of 1D Cellular Automata in both Poincare map and conjugate map. Multiple measure sequences of Markov chains can be used to display spatial distributions using conjugate maps. Measure sequences recursively produced by different logical functions generating maps. Possible complementary feature exits between pair functions, Conjugate symmetry relationships between a pair of logical functions in conjugate maps can be observed.
Wikileaks: The Truth Or Not, Ian Rosewall, Matthew J. Warren
Wikileaks: The Truth Or Not, Ian Rosewall, Matthew J. Warren
Australian Information Warfare and Security Conference
We live in the Information Age, an age where information is shared in a global context and in real time. The issue is whether all information should be disclosed. In the ‘Information Age’ do secrets still exist? Another major issue is whether groups of vigilantes are the ones who should be disclosing this information, should these vigilante groups be trusted? This paper will focus upon the impact of Wikileaks and the problem of Information disclosure especially when that information is confidential. It will identify cases for discussion. In the main these cases will be of a military flavour.
Information Warfare: Time For A Redefinition, Patricia A H Williams
Information Warfare: Time For A Redefinition, Patricia A H Williams
Australian Information Warfare and Security Conference
Information warfare has become an increasingly diverse field. The changes to its composition have been primarily driven by changes in technology and the resulting increased access to information. Further, it has been the progressively more diverse methods available for communication that has fuelled expanding applications for information warfare techniques into non-military environments. In order for younger generations of students to understand the place of information warfare in the larger security picture, there is a need to shift the emphasis from many of the military underpinnings to its relevance in modern society and the challenges in the commercial environment. This paper …
Detect And Sanitise Encoded Cross-Site Scripting And Sql Injection Attack Strings Using A Hash Map, Erwin Adi, Irene Salomo
Detect And Sanitise Encoded Cross-Site Scripting And Sql Injection Attack Strings Using A Hash Map, Erwin Adi, Irene Salomo
Australian Information Security Management Conference
Cross-Site Scripting (XSS) and SQL injection are the top vulnerabilities found in web applications. Attacks to these vulnerabilities could have been minimised through placing a good filter before the web application processes the malicious strings. However adversaries could craft variations on the attack strings in such a way that they do not get filtered. Checking through all of the possible attack strings was tedious and causes the web application performance to degrade. In this paper, we propose the use of a hash map as a data structure to address the issue. We implemented a proof-of-concept filter which we tested through …
Mahalanobis Distance Map Approach For Anomaly Detection, Aruna Jamdagnil, Zhiyuan Tan, Priyadarsi Nanda, Xiangjian He, Ren Ping Liu
Mahalanobis Distance Map Approach For Anomaly Detection, Aruna Jamdagnil, Zhiyuan Tan, Priyadarsi Nanda, Xiangjian He, Ren Ping Liu
Australian Information Security Management Conference
Web servers and web-based applications are commonly used as attack targets. The main issues are how to prevent unauthorised access and to protect web servers from the attack. Intrusion Detection Systems (IDSs) are widely used security tools to detect cyber-attacks and malicious activities in computer systems and networks. In this paper, we focus on the detection of various web-based attacks using Geometrical Structure Anomaly Detection (GSAD) model and we also propose a novel algorithm for the selection of most discriminating features to improve the computational complexity of payload-based GSAD model. Linear Discriminant method (LDA) is used for the feature reduction …
Program Transformations For Information Personalization, Saverio Perugini, Naren Ramakrishnan
Program Transformations For Information Personalization, Saverio Perugini, Naren Ramakrishnan
Computer Science Faculty Publications
Personalization constitutes the mechanisms necessary to automatically customize information content, structure, and presentation to the end user to reduce information overload. Unlike traditional approaches to personalization, the central theme of our approach is to model a website as a program and conduct website transformation for personalization by program transformation (e.g., partial evaluation, program slicing). The goal of this paper is study personalization through a program transformation lens and develop a formal model, based on program transformations, for personalized interaction with hierarchical hypermedia. The specific research issues addressed involve identifying and developing program representations and transformations suitable for classes of hierarchical …
Cyber Situational Awareness Using Live Hypervisor-Based Virtual Machine Introspection, Dustyn A. Dodge
Cyber Situational Awareness Using Live Hypervisor-Based Virtual Machine Introspection, Dustyn A. Dodge
Theses and Dissertations
In this research, a compiled memory analysis tool for virtualization (CMAT-V) is developed as a virtual machine introspection (VMI) utility to conduct live analysis during cyber attacks. CMAT-V leverages static memory dump analysis techniques to provide live dynamic system state data. Unlike some VMI applications, CMAT-V bridges the semantic gap using derivation techniques. CMAT-V detects Windows-based operating systems and uses the Microsoft Symbol Server to provide this context to the user. This research demonstrates the usefulness of CMAT-V as a situational awareness tool during cyber attacks, tests the detection of CMAT-V from the guest system level and measures its impact …
Accelerating Malware Detection Via A Graphics Processing Unit, Nicholas S. Kovach
Accelerating Malware Detection Via A Graphics Processing Unit, Nicholas S. Kovach
Theses and Dissertations
Real-time malware analysis requires processing large amounts of data storage to look for suspicious files. This is a time consuming process that (requires a large amount of processing power) often affecting other applications running on a personal computer. This research investigates the viability of using Graphic Processing Units (GPUs), present in many personal computers, to distribute the workload normally processed by the standard Central Processing Unit (CPU). Three experiments are conducted using an industry standard GPU, the NVIDIA GeForce 9500 GT card. The goal of the first experiment is to find the optimal number of threads per block for calculating …
Hijacking User Uploads To Online Persistent Data Repositories For Covert Data Exfiltration, Curtis P. Barnard
Hijacking User Uploads To Online Persistent Data Repositories For Covert Data Exfiltration, Curtis P. Barnard
Theses and Dissertations
As malware has evolved over the years, it has gone from harmless programs that copy themselves into other executables to modern day botnets that perform bank fraud and identity theft. Modern malware often has a need to communicate back to the author, or other machines that are also infected. Several techniques for transmitting this data covertly have been developed over the years which vary significantly in their level of sophistication. This research creates a new covert channel technique for stealing information from a network by piggybacking on user-generated network traffic. Specifically, steganography drop boxes and passive covert channels are merged …
A Comparative Analysis Of Ascii And Xml Logging Systems, Eric C. Hanington
A Comparative Analysis Of Ascii And Xml Logging Systems, Eric C. Hanington
Theses and Dissertations
This research compares XML and ASCII based event logging systems in terms of their storage and processing efficiency. XML has been an emerging technology, even for security. Therefore, it is researched as a logging system with the mitigation of its verbosity. Each system consists of source content, the network transmission, database storage, and querying which are all studied as individual parts. The ASCII logging system consists of the text file as source, FTP as transport, and a relational database system for storage and querying. The XML system has the XML files and XML files in binary form using Efficient XML …
Reputation-Based Internet Protocol Security: A Multilayer Security Framework For Mobil Ad Hoc Networks, Timothy H. Lacey
Reputation-Based Internet Protocol Security: A Multilayer Security Framework For Mobil Ad Hoc Networks, Timothy H. Lacey
Theses and Dissertations
This research effort examines the theory, application, and results for a Reputation-based Internet Protocol Security (RIPSec) framework that provides security for an ad-hoc network operating in a hostile environment. In RIPSec, protection from external threats is provided in the form of encrypted communication links and encryption-wrapped nodes while internal threats are mitigated by behavior grading that assigns reputations to nodes based on their demonstrated participation in the routing process. Network availability is provided by behavior grading and round-robin multipath routing. If a node behaves faithfully, it earns a positive reputation over time. If a node misbehaves (for any number of …
Code White: A Signed Code Protection Mechanism For Smartphones, Joseph M. Hinson Iv
Code White: A Signed Code Protection Mechanism For Smartphones, Joseph M. Hinson Iv
Theses and Dissertations
This research develops Code White, a hardware-implemented trusted execution mechanism for the Symbian mobile operating system. Code White combines a signed whitelist approach with the execution prevention technology offered by the ARM architecture. Testing shows that it prevents all untrusted user applications from executing while allowing all trusted applications to load and run. Performance testing in contrast with an unmodified Symbian system shows that the difference in load time increases linearly as the application file size increases. The predicted load time for an application with a one megabyte code section remains well below one second, ensuring uninterrupted experience for the …
Iphone 3gs Forensics: Logical Analysis Using Apple Itunes Backup Utility, Mona Bader, Ibrahim Baggili
Iphone 3gs Forensics: Logical Analysis Using Apple Itunes Backup Utility, Mona Bader, Ibrahim Baggili
Electrical & Computer Engineering and Computer Science Faculty Publications
The iPhone mobile is used worldwide due to its enhanced computing capabilities, increased storage capacity as well as its attractive touch interface. These characteristics made the iPhone a popular smart phone device. The increased use of the iPhone lead it to become a potential source of digital evidence in criminal investigations. Therefore, iPhone forensics turned into an essential practice for forensic and security practitioners today. This research aimed at investigating and examining the logical backup acquisition of the iPhone 3GS mobile device using the Apple iTunes backup utility. It was found that significant data of forensic value such as e-mail …
Pseudonym-Based Rfid Discovery Service To Mitigate Unauthorized Tracking In Supply Chain Management, Qiang Yan, Robert H. Deng, Zheng Yan, Yingjiu Li, Tieyan Li
Pseudonym-Based Rfid Discovery Service To Mitigate Unauthorized Tracking In Supply Chain Management, Qiang Yan, Robert H. Deng, Zheng Yan, Yingjiu Li, Tieyan Li
Research Collection School Of Computing and Information Systems
Unauthorized tracking of RFID tagged assets at the system level, where an adversary tracks movement of RFID tagged assets by eavesdropping network messages or compromising date center servers, has not been well recognized in prior research. Compared to the traditional unauthorized tracking by clandestine scanning at the physical level, unauthorized tracking at the system level could be even more harmful as the adversary is able to obtain tracking information on a global scale and without physical presence. This paper analyzes the threat of unauthorized tracking by a semi-trusted RFID Discovery Service which maintains a database of RFID tag location records …
A New Framework For Rfid Privacy, Robert H. Deng, Yingjiu Li, Moti Yung, Yunlei Zhao
A New Framework For Rfid Privacy, Robert H. Deng, Yingjiu Li, Moti Yung, Yunlei Zhao
Research Collection School Of Computing and Information Systems
Formal RFID security and privacy frameworks are fundamental to the design and analysis of robust RFID systems. In this paper, we develop a new definitional framework for RFID privacy in a rigorous and precise manner. Our framework is based on a zero-knowledge (ZK) formulation [8,6] and incorporates the notions of adaptive completeness and mutual authentication. We provide meticulous justification of the new framework and contrast it with existing ones in the literature. In particular, we prove that our framework is strictly stronger than the ind-privacy model of [18], which answers an open question posed in [18] for developing stronger RFID …