Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 61 for “"security services"”.
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Integrating security services into computer supported cooperative work
… the development of a groupware system which adds security services to a Computer Supported Cooperative Work system operating over the Internet. The security services use cryptographic techniques to provide a secure access control service and an information protection service. These security …
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Smart Card-enabled security services to support secure telemedicine applications
… protocol stack does not provide much in terms of security for the data being transferred across it. In this thesis we explore how Cryptography along with Smart Cards can be used to implement application layer protocols, to enhance the security of data flowing across the internet in a Secure …
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Improving the security services of the message handling systems in X.400.
This thesis studies some security problems in the X.400 Message Handling System (MHS). It focuses on the so-called message-token, a cryptological data structure, used to convey the security-related information and support several basic security services in X.400 MHS. The current X.400 message-token …
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Themes and theories of the Insider Trading. The 2004 Security Services Act
… the relevant provisions of the Securities Services Act of 2004 regulate such practices. The Act has repealed the Insider Trading Act 135 of 1998, which had previously governed criminal and civil liability in terms of the offence. The insider trading provisions of the Act form part of …
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Enhancing procurement of security services: a comparative case study of Mangaung and Kimberly Correctional Centres
… research is to explore two methods for procuring security services in South Africa. This research is a comparative case study between two correctional centers, which are the Mangaung Correctional Centre and the Kimberly Correctional Centre. The Mangaung Correctional Centre has been procured …
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Regulation of manned commercial security services - A transnational comparative study of Belgium, Estonia, New York, Queensland, South Africa and Sweden
It is commonly recognised that commercial security, in its different forms, has become an important element in societies as a provider of private and public security. The reasons for this development are manifold but can be seen to well from the changes in individual societies and their governance …
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Adaptive trust and reputation system as a security service in group communications
… to secure group communications, provisioning security in group communications remains a critical and challenging issue. This work first presents a survey on recent advances in security requirements and services in group communications in wireless and wired networks, and discusses challenges in …
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An Interaction-based Software-Defined Security Model and Platform to secure cloud resources
… computing, networking, storage, and software– as services. Transferring to such an infrastructure relies on virtualization and its dynamic construction ability to spread over a geographical area. The challenge is in finding effective mechanisms for isolating security issues in cloud …
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Multilevel adaptive security system
… ad hoc networks. In this work, traditional data security mechanisms, existing ad hoc secure routing protocols and multilevel security are first reviewed. Then a new system, called the Multilevel Adaptive Security System, which incorporates the multilevel security concept at both the application …
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Situation -Aware Security for Wireless Ad Hoc Networks
… applications. However, providing adequate security required for the target applications presents many new challenges due to the unique nature of ad hoc environments. Complete decentralization and the absence of any support infrastructure in ad hoc environments effectively eliminates the …
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THE USE OF PRIVATE MILITARY AND SECURITY COMPANIES BY BUSINESS ENTERPRISES: ISSUES OF INTERNATIONAL CRIMINAL RESPONSIBILITY.
… risky place and retaining a private military and security company. Imagine now that, while rendering military/security services, the private contractors commit crimes against humanity with the help of the firm’s directors and the host State’s public officials. Who is responsible for that? Absent …
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An investigation into the impact of private security companies on national security in Namibia
The thesis focussed on the role of private security companies (PSCs) in Namibia. Over the last decade, there has been a substantial growth of private security services and companies both at global and national levels. In Namibia, there has been substantial increase in PSCs which are providing …
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Session Management for Accountability in Distributed Multimedia Services
… satisfy quality-of-service (QoS) constraints, security is also a major requirement given the increasing criticality of such applications. For example, businesses might depend on Internet telephony to reach customers while governments might depend on video streaming to disseminate information. …
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Revisiting the classification of private military and security contractors under international humanitarian law
… and rapid growth of private military and security contractors (PMSCs). Today these corporate entities make up a global security industry based on the provision of security services to both state and non-state clientele across the world whose value is over 100 billion dollars. Although …
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Dynamic Authorization Support in Large Distributed Systems
… has to be included in designing and developing security services for these systems. Motivated by several on-going research efforts in studying the distributed trust management problem, this thesis proposes a new simple certification scheme that supports distributed name-spaces, dynamic trust …
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Secure Network-Centric Application Access
… efforts are under way to provide the required security services on the Internet. This thesis presents a model for making distributed engineering software tools accessible via the Internet. The model consists of an extensible clientserver system interfaced with the engineering software tool on …
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An Intelligent Authentication Infrastructure for Ubiquitous Computing Environments
… humans interact with machines, physical spaces, services, everyday devices, and other humans. Ubiquitous computing envisions a world that features an abundance of embedded processors, wearable computers, smart consumer devices, sensors, and digital communication, which are all tightly coupled to …
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Is contracting out an efficient means of delivering health support services? : a case study of a public hospital in Uganda
… in the provision and financing of health services are increasingly being considered as a means of ensuring more efficient provision of health related services. Though such reforms may be designed, funded and implemented it does not imply that the conditions necessary for them to yield the …
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Regional Security, Early Warning and Intelligence Cooperation in Africa
… warning and intelligence sharing to regional security in Africa. The Continental Early Warning System (CEWS) and the Committee on Intelligence and Security Services of Africa (CISSA) are centrally concerned with the dissemination of information to enable decision-making on continental …
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A distinctive organizational control practice: Geographic personnel rotation
… police officers geographically while providing security services throughout the country. Geographic personnel rotation (GPR) is a human resource management policy of the TNP which bans home city deployment and obligates officers to transfer regularly for various deployment periods and in …
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