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Articles 4381 - 4410 of 4669
Full-Text Articles in Computer Sciences
Individuals’ Perceptions Of Wireless Security In The Home Environment, Patryk Szewczyk
Individuals’ Perceptions Of Wireless Security In The Home Environment, Patryk Szewczyk
Australian Information Security Management Conference
Research in 802.11 wireless networking has in the past focused predominantly on corporate wireless network use, or identifying the flaws in wireless security. This study was aimed to determine the individuals’ perceptions of wireless security in the home environment. 163 volunteers completed a survey on their perceptions, knowledge, experiences and attitudes towards wireless networking. The results of the survey indicated that there is little difference in knowledge between those who had worked in the IT industry, and those who did not. The sources of information used to configure wireless networks are not improving the knowledge respondents had on wireless security. …
Secure Transmission Of Shared Electronic Health Records: A Review, Rachel J. Mahncke, Patricia A. Williams
Secure Transmission Of Shared Electronic Health Records: A Review, Rachel J. Mahncke, Patricia A. Williams
Australian Information Security Management Conference
Paperbased health records together with electronic Patient Management Systems remain the norm for hospitals and primary care practices to manage patient health information in Australia. Although the benefits of recording patient health information into an electronic format known as an electronic health record (EHR) are well documented, the use of these systems has not yet been fully realised. The next advancement for EHRs is the ability to share health records for the primary purpose of improved patient care. This may for example enable a primary care physician, with the patient’s consent, to electronically share pertinent health information with a specialist, …
Telemedicine And The Digital Door Doctor, Darren Webb, Patricia A. Williams
Telemedicine And The Digital Door Doctor, Darren Webb, Patricia A. Williams
Australian Information Security Management Conference
Telemedicine is changing the way medicine can be practiced, and how medical knowledge is communicated, learnt and researched in today’s technologically oriented society. The adoption of internet based communication has significantly expanded the patients’ ability to access a multitude of world class medical information. Research has shown that patients would welcome the ability to consult a doctor using the same computing tools they use to communicate with family, friends and work colleagues. This paper discusses the use of telemedicine today and how it could be used to access medical services from home. Further, it investigates the incentives and barriers to …
Does Your Wireless Lan Have Criminal Intent?, Michael Crowley, Andrew Woodward
Does Your Wireless Lan Have Criminal Intent?, Michael Crowley, Andrew Woodward
Australian Information Security Management Conference
All of the literature relating to wireless network security has focused on the flaws, newer alternatives and suggestions for securing the network. There is much speculation and anecdotal statements in relation to what can happen if a breach occurs, but this is mostly from a computer security perspective, and mostly expressed in terms of potential for financial loss. This paper examines the potential legal ramifications of failing to properly secure a wireless network. Several scenarios are examined within based on usage of wireless on the various category of attack. Legal opinion, backed up with case law, is provided for each …
Security Issues Of Ieee 802.16 (Wimax), Jamshed Hasan
Security Issues Of Ieee 802.16 (Wimax), Jamshed Hasan
Australian Information Security Management Conference
Worldwide Interoperability for Microwave Access (WiMAX) is going to be an emerging wireless technology for the future. With the increasing popularity of Broadband internet, wireless networking market is thriving. Wireless network is not fully secure due to rapid release of new technologies, market competition and lack of physical infrastructure. In the IEEE 802.11 technology, security was added later. Iin IEEE 802.16, security has been considered as the main issue during the design of the protocol. However, security mechanism of the IEEE 802.16 (WiMAX) still remains a question. WiMAX is relatively a new technology; not deployed widely to justify the evidence …
Cyber Crime And Biometric Authentication – The Problem Of Privacy Versus Protection Of Business Assets, Michael G. Crowley
Cyber Crime And Biometric Authentication – The Problem Of Privacy Versus Protection Of Business Assets, Michael G. Crowley
Australian Information Security Management Conference
Cyber crime is now a well recognised international problem that is a major issue for anyone who runs, manages, owns, uses or accesses computer systems linked to the worldwide web. Computer systems are business assets. Personal biometric information is also an asset. Studies have shown that privacy concerns represent a key hurdle to the successful introduction of biometric authentication. In addition, terrorist activity and the resultant legislation have added an additional risk factor businesses need to take into account if they propose using biometric authentication technology. This paper explores the use of biometric authentication to protect business and individual assets. …
Uncontrollable Privacy - The Right That Every Attacker Desires, Giannakis Antoniou, Stefanos Gritzalis
Uncontrollable Privacy - The Right That Every Attacker Desires, Giannakis Antoniou, Stefanos Gritzalis
Australian Information Security Management Conference
The request of the Internet users enjoying privacy during their e-activities enforces the Internet society to develop techniques which offer privacy to the Internet users, known as Privacy Enhancing Technologies (PETs). Among the Internet users, there are attackers who desire more than anything else to enjoy privacy during their malicious actions, and a PET is what they were looking for. Thus, although a PET should offer privacy to the internet users, proper techniques should also be employed in order to help the victims during the investigation procedure and unveil the identification of the attackers. The paper summarizes the current design …
Network Forensics And Privacy Enhancing Technologies “Living” Together In Harmony, Giannakis Antoniou, Stefanos Gritzalis
Network Forensics And Privacy Enhancing Technologies “Living” Together In Harmony, Giannakis Antoniou, Stefanos Gritzalis
Australian Information Security Management Conference
Privacy Enhancing Technology (PET) is the technology responsible to hide the identification of Internet users, whereas network forensics is a technology responsible to reveal the identification of Internet users who perform illegal actions through the Internet. The paper identifies the collision of these opposite-goal technologies and describes what happens in case they come across. Can a Network Forensics protocol discover the identification of an Internet user who is trying to be anonymous behind a PET? The paper also proposes a way to bridge and eliminate the gap between these two technologies.
The Implementation Of E-Mail Content Management In A Large Corporation, Michael Hansen, Craig Valli
The Implementation Of E-Mail Content Management In A Large Corporation, Michael Hansen, Craig Valli
Australian Information Security Management Conference
It is a well known fact that while Email is a valuable tool to any business that it has also become the main cause in the distribution of viruses, worms and other malware. Further to this is the real threat of spyware that can affect performance on computers, phishing schemes that can cheat employees into giving up valuable information, such as passwords, using social engineering and the timeconsuming and costly effect of spam to a corporate network. This paper will analyse and show the effect of a successful implementation of Email filtering software in a large corporation, together with some …
Risks And Responsibilities In Establishing A Wireless Network For An Educational Institution, Leigh Knights, Matt Fonceca, Georgina Mack, Andrew Woodward
Risks And Responsibilities In Establishing A Wireless Network For An Educational Institution, Leigh Knights, Matt Fonceca, Georgina Mack, Andrew Woodward
Australian Information Security Management Conference
A wireless network solution is generally implemented when the bounds of walls of buildings and the constraints of wires need to be broken. Wireless technologies provide the potential for freedom of mobility which is undoubtedly a convenience for organisations in today’s market. The security of a wireless network is crucial for data integrity, especially when the data is not secured by the insulation of wires. While data is being transferred across a wireless network, it is vulnerable. There is no room for error, neglect or ignorance from an organisation, as a breech of data integrity can be devastating for both …
Electronic Surveillance In Hospitals: A Review, Sue Kennedy
Electronic Surveillance In Hospitals: A Review, Sue Kennedy
Australian Information Security Management Conference
This paper focuses on the increasing use of electronic surveillance systems in hospitals and the apparent lack of awareness of the implications of these systems for privacy of the individual. The systems are used for identification and tracking of equipment, staff and patients. There has been little public comment or analysis of these systems with regard to privacy as their implementation has been driven by security issues. The systems that gather this information include video, smart card and more recently RFID systems. The system applications include tracking of vital equipment, labelling of blood and other samples, tracking of patients, new …
An Assessment Of Threats Of The Physical And Mac Address Layers In Wimax/802.16, Krishnun Sansurooah
An Assessment Of Threats Of The Physical And Mac Address Layers In Wimax/802.16, Krishnun Sansurooah
Australian Information Security Management Conference
This paper investigates the risks and vulnerabilities associated to the security of the WiMAX/802.16 broadband wireless technology. One of the other aspects of this document will be to review all the associated weaknesses to the Medium Access Control (MAC) layer and at the physical (PHY) layer. The risks and impacts are assessed according to a systematic approach. The approach or methodology is used is according to the European Telecommunication Standards Institute (ETSI). These threats are enumerated and classified accordingly to their risk levels.
A Knowledge Framework For Information Security Modeling, Shuangyan Liu, Ching-Hang Cheung, Lam-For Kwok
A Knowledge Framework For Information Security Modeling, Shuangyan Liu, Ching-Hang Cheung, Lam-For Kwok
Australian Information Security Management Conference
The data collection process for risk assessment highly depends on the security experience of security staffs of an organization. It is difficult to have the right information security staff, who understands both the security requirements and the current security state of an organization and at the same time possesses the skill to perform risk assessment. However, a well defined knowledge model could help to describe categories of knowledge required to guide the data collection process. In this paper, a knowledge framework is introduced, which includes a knowledge model to define the data skeleton of the risk environment of an organization …
Making Research Real: Is Action Research A Suitable Methodology For Medical Information Security Investigations?, Patricia A. Williams
Making Research Real: Is Action Research A Suitable Methodology For Medical Information Security Investigations?, Patricia A. Williams
Australian Information Security Management Conference
In the medical field, information security is an important yet vastly underrated issue. Research into the protection of sensitive medical data is often technically focused and does not address information systems and behavioural aspects integral to effective information security implementation. Current information security policy and guidelines are strategically oriented which, whilst relevant to large organisations, are less supportive to smaller enterprises such as primary care practices. Further, the conservative nature of the medical profession has been shown to hinder investigation into information technology use and management, making effective improvement based on research problematical. It is an environment which relies greatly …
The Derivation Of A Conceptual Model For It Security Outsourcing, W D. Wilde, M J. Warren, W Hutchinson
The Derivation Of A Conceptual Model For It Security Outsourcing, W D. Wilde, M J. Warren, W Hutchinson
Australian Information Security Management Conference
IT security outsourcing is the establishment of a contractual relationship between an organization with an outside vendor which assumes responsibility for the organisation’s security functions. Outsourcing in IS has had a variable history of success and the complexity of the decision making process leads to a substantial degree of uncertainty. This is especially so in the realm of IS security since the protection of both hardware and software systems is placed in the hands of an external provider. This paper is a fuller and more comprehensive paper of a previous paper outlining the effectiveness of the decision making process by …
Social Engineering And Its Impact Via The Internet, Matthew J. Warren, Shona Leitch
Social Engineering And Its Impact Via The Internet, Matthew J. Warren, Shona Leitch
Australian Information Security Management Conference
Historically social engineering attacks were limited upon a single organisation or single individual at a time. The impact of the Internet and growth of E-Business has allowed social engineering techniques to be applied at a global level. The paper will discuss how new social engineering techniques are being applied and puts forward a conceptual model to allow an understanding of how social engineering attacks are planned and implemented against E-Business activities.
Mapping The Consensual Knowledge Of Security Risk Management Experts, David J. Brooks
Mapping The Consensual Knowledge Of Security Risk Management Experts, David J. Brooks
Australian Information Warfare and Security Conference
The security industry comprises of diverse and multidisciplined practitioners, originating from many disciplines. It has been suggested that the industry has an undefined knowledge structure, although security experts contain a rich knowledge structure. There has also been limited research mapping security expert knowledge structure, reducing the ability of tertiary educators to provide industry focused teaching and learning. The study utilized multidimensional scaling (MDS) and expert interviews to map the consensual knowledge structure of security experts in their understanding of security risk. Security risk concepts were extracted and critiqued from West Australian university courses. Linguistic analysis categorised the more utilized security …
Formal Analysis And Systematic Construction Of Two-Factor Authentication Scheme, Guomin Yang, Duncan S. Wong, Huaxiong Wang, Xiaotie Deng
Formal Analysis And Systematic Construction Of Two-Factor Authentication Scheme, Guomin Yang, Duncan S. Wong, Huaxiong Wang, Xiaotie Deng
Research Collection School Of Computing and Information Systems
One of the most commonly used two-factor authentication mechanisms is based on smart card and user’s password. Throughout the years, there have been many schemes proposed, but most of them have already been found flawed due to the lack of formal security analysis. On the cryptanalysis of this type of schemes, in this paper, we further review two recently proposed schemes and show that their security claims are invalid. To address the current issue, we propose a new and simplified property set and a formal adversarial model for analyzing the security of this type of schemes. We believe that the …
Modeling Heterogeneous User Churn And Local Resilience Of Unstructured P2p Networks, Zhongmei Yao, Derek Leonard, Dmitri Loguinov, Xiaoming Wang
Modeling Heterogeneous User Churn And Local Resilience Of Unstructured P2p Networks, Zhongmei Yao, Derek Leonard, Dmitri Loguinov, Xiaoming Wang
Computer Science Faculty Publications
Previous analytical results on the resilience of unstructured P2P systems have not explicitly modeled heterogeneity of user churn (i.e., difference in online behavior) or the impact of in-degree on system resilience. To overcome these limitations, we introduce a generic model of heterogeneous user churn, derive the distribution of the various metrics observed in prior experimental studies (e.g., lifetime distribution of joining users, joint distribution of session time of alive peers, and residual lifetime of a randomly selected user), derive several closed-form results on the transient behavior of in-degree, and eventually obtain the joint in/out degree isolation probability as a simple …
New Paradigm Of Inference Control With Trusted Computing, Yanjiang Yang, Yingjiu Li, Robert H. Deng
New Paradigm Of Inference Control With Trusted Computing, Yanjiang Yang, Yingjiu Li, Robert H. Deng
Research Collection School Of Computing and Information Systems
The database server is a crucial bottleneck in traditional inference control architecture, as it enforces highly computation-intensive auditing for all users who query the protected database. As a result, most auditing methods, though rigorously studied, can never be implemented in practice for protecting largescale real-world database systems. To shift this paradigm, we propose a new inference control architecture that will entrust inference control to each users platform, provided that the platform is equipped with trusted computing technology. The trusted computing technology is designed to attest the state of a users platform to the database server, so as to assure the …
Privacy Enhanced Superdistribution Of Layered Content With Trusted Access Control, Daniel J. T. Chong, Robert H. Deng
Privacy Enhanced Superdistribution Of Layered Content With Trusted Access Control, Daniel J. T. Chong, Robert H. Deng
Research Collection School Of Computing and Information Systems
Traditional superdistribution approaches do not address consumer privacy issues and also do not reliably prevent the malicious consumer from indiscriminately copying and redistributing the decryption keys or the decrypted content. The layered nature of common digital content can also be exploited to efficiently provide the consumer with choices over the quality of the content, allowing him/her to pay less for lower quality consumption and vice versa. This paper presents a system that superdistributes encrypted layered content and (1) allows the consumer to select a quality level at which to decrypt and consume the content; (2) prevents the merchant from knowing …
Three Architectures For Trusted Data Dissemination In Edge Computing, Shen-Tat Goh, Hwee Hwa Pang, Robert H. Deng, Feng Bao
Three Architectures For Trusted Data Dissemination In Edge Computing, Shen-Tat Goh, Hwee Hwa Pang, Robert H. Deng, Feng Bao
Research Collection School Of Computing and Information Systems
Edge computing pushes application logic and the underlying data to the edge of the network, with the aim of improving availability and scalability. As the edge servers are not necessarily secure, there must be provisions for users to validate the results—that values in the result tuples are not tampered with, that no qualifying data are left out, that no spurious tuples are introduced, and that a query result is not actually the output from a different query. This paper aims to address the challenges of ensuring data integrity in edge computing. We study three schemes that enable users to check …
Rights Protection For Data Cubes, Jie Guo, Yingjiu Li, Robert H. Deng, Kefei Chen
Rights Protection For Data Cubes, Jie Guo, Yingjiu Li, Robert H. Deng, Kefei Chen
Research Collection School Of Computing and Information Systems
We propose a rights protection scheme for data cubes. The scheme embeds ownership information by modifying a set of selected cell values. The embedded message will not affect the usefulness of data cubes in the sense that the sum queries at any aggregation level are not affected. At the same time, the errors introduced to individual cell values are under control. The embedded message can be detected with a high probability even in the presence of typical data cube attacks. The proposed scheme can thus be used for protecting data cubes from piracy in an open, distributed environment.
Practical Private Data Matching Deterrent To Spoofing Attacks, Yanjiang Yang, Robert H. Deng, Feng Bao
Practical Private Data Matching Deterrent To Spoofing Attacks, Yanjiang Yang, Robert H. Deng, Feng Bao
Research Collection School Of Computing and Information Systems
Private data matching between the data sets of two potentially distrusted parties has a wide range of applications. However, existing solutions have substantial weaknesses and do not meet the needs of many practical application scenarios. In particular, practical private data matching applications often require discouraging the matching parties from spoofing their private inputs. In this paper, we address this challenge by forcing the matching parties to "escrow" the data they use for matching to an auditorial agent, and in the "after-the-fact" period, they undertake the liability to attest the genuineness of the escrowed data.
Disclosure Analysis For Two-Way Contingency Tables, Haibing Lu, Yingjiu Li, Xintao Wu
Disclosure Analysis For Two-Way Contingency Tables, Haibing Lu, Yingjiu Li, Xintao Wu
Research Collection School Of Computing and Information Systems
Disclosure analysis in two-way contingency tables is important in categorical data analysis. The disclosure analysis concerns whether a data snooper can infer any protected cell values, which contain privacy sensitive information, from available marginal totals (i.e., row sums and column sums) in a two-way contingency table. Previous research has been targeted on this problem from various perspectives. However, there is a lack of systematic definitions on the disclosure of cell values. Also, no previous study has been focused on the distribution of the cells that are subject to various types of disclosure. In this paper, we define four types of …
A Novel Privacy Preserving Authentication And Access Control Scheme For Pervasive Computing Environments, K. Ren, Wenjing Lou, K. Kim, Robert H. Deng
A Novel Privacy Preserving Authentication And Access Control Scheme For Pervasive Computing Environments, K. Ren, Wenjing Lou, K. Kim, Robert H. Deng
Research Collection School Of Computing and Information Systems
Privacy and security are two important but seemingly contradictory objectives in a pervasive computing environment (PCE). On one hand, service providers want to authenticate legitimate users and make sure they are accessing their authorized services in a legal way. On the other hand, users want to maintain the necessary privacy without being tracked down for wherever they are and whatever they are doing. In this paper, a novel privacy preserving authentication and access control scheme to secure the interactions between mobile users and services in PCEs is proposed. The proposed scheme seamlessly integrates two underlying cryptographic primitives, namely blind signature …
Private Information Retrieval Using Trusted Hardware, Shuhong Wang, Xuhua Ding, Robert H. Deng, Feng Bao
Private Information Retrieval Using Trusted Hardware, Shuhong Wang, Xuhua Ding, Robert H. Deng, Feng Bao
Research Collection School Of Computing and Information Systems
Many theoretical PIR (Private Information Retrieval) constructions have been proposed in the past years. Though information theoretically secure, most of them are impractical to deploy due to the prohibitively high communication and computation complexity. The recent trend in outsourcing databases fuels the research on practical PIR schemes. In this paper, we propose a new PIR system by making use of trusted hardware. Our system is proven to be information theoretically secure. Furthermore, we derive the computation complexity lower bound for hardware-based PIR schemes and show that our construction meets the lower bounds for both the communication and computation costs, respectively.