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Thèses sur le sujet « Internet – security measures. sears »

Auteur : Grafiati

Publié le 26 juillet 2024

Mis à jour le 31 juillet 2025

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1

King-Lacroix, Justin. "Securing the 'Internet of Things' : decentralised security for wireless networks of embedded systems." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:b41c942f-5389-4a5b-8bb7-d5fb6a18a3db.

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The phrase 'Internet of Things' refers to the pervasive instrumentation of physical objects with sensors and actuators, and the connection of those sensors and actuators to the Internet. These sensors and actuators are generally based on similar hardware as, and have similar capabilities to, wireless sensor network nodes. However, they operate in a completely different network environment: wireless sensor network nodes all generally belong to a single entity, whereas Internet of Things endpoints can belong to different, even competing, ones. This difference has profound implications for the de

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Naude, Kevin Alexander. "Assessing program code through static structural similarity." Thesis, Nelson Mandela Metropolitan University, 2007. http://hdl.handle.net/10948/578.

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Learning to write software requires much practice and frequent assessment. Consequently, the use of computers to assist in the assessment of computer programs has been important in supporting large classes at universities. The main approaches to the problem are dynamic analysis (testing student programs for expected output) and static analysis (direct analysis of the program code). The former is very sensitive to all kinds of errors in student programs, while the latter has traditionally only been used to assess quality, and not correctness. This research focusses on the application of static

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3

Yu, Kin-ying, and 余見英. "Efficient schemes for anonymous credential with reputation support." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B48330012.

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Anonymous credential is an important tool to protect the identity of users in the Internet for various reasons (e.g. free open speech) even when a service provider (SP) requires user authentication. Yet, misbehaving users may use anonymity for malicious purposes and SP would have no way to refrain these users from creating further damages. Revocable anonymous credential allows SP to revoke a particular anonymous user based on the observed behavior of a session the user conducted. However, such kind of all-or-nothing revocation does not work well with the “Web 2.0” applications because it d

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4

Sato, Keiko. "Privacy on the internet : Investigation into corporate privacy policy of Australian large private sector organisations on the internet." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2001. https://ro.ecu.edu.au/theses/1032.

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The popularity of the Internet has been dramatically increased over recent years. The rapid growth of this technology and its international use has made it almost impossible to regulate the internet. As a result, the Internet has certainly provided freedoms to people and it has led to some abusing systems. Privacy is one of the major issues in the development of Electronic Commerce using the Internet. As an enormous amount of personal information is transmitted to several hosts connecting to the Internet, the information can be accessed by both authorised and unauthorised people. Although it i

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Rutherford, Andrew. "Introducing hippocratic log files for personal privacy control." Thesis, Nelson Mandela Metropolitan University, 2005. http://hdl.handle.net/10948/171.

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The rapid growth of the Internet has served to intensify existing privacy concerns of the individual, to the point that privacy is the number one concern amongst Internet users today. Tools exist that can provide users with a choice of anonymity or pseudonymity. However, many Web transactions require the release of personally identifying information, thus rendering such tools infeasible in many instances. Since it is then a given that users are often required to release personal information, which could be recorded, it follows that they require a greater degree of control over the information

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6

Marais, Terrence K. "Electronic payment and security on the Internet." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52819.

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Thesis (MBA)--Stellenbosch University, 2002.<br>ENGLISH ABSTRACT: The greatest potential worry that an on-line shopper has is what happens to his/her credit card details from the moment "submit" is pressed on the computer. Is it possible for someone on the Internet to intercept the message and use credit card details maliciously? Also, there is a lot of talk about personal details being encrypted, but how sure is one that this was indeed the case once "submit" has been pressed? Is there a way in which one can be sure that a transaction will occur only once? Many of the security issues a

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7

Nagarle, Shivashankarappa A. "Novel framework to support information security audit in virtual environment." Thesis, Coventry University, 2013. http://curve.coventry.ac.uk/open/items/aa65bb37-9504-46d3-930e-44ec71f745f3/1.

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Over the years, the focus of information security has evolved from technical issue to business issue. Heightened competition from globalization compounded by emerging technologies such as cloud computing has given rise to new threats and vulnerabilities which are not only complex but unpredictable. However, there are enormous opportunities which can bring value to business and enhance stakeholders’ wealth. Enterprises in Oman are compelled to embark e-Oman strategy which invariably increases the complexity due to integration of heterogeneous systems and outsourcing with external business partn

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De, Villiers R. R. (Raoul Reenen). "The role of risk perception in Internet purchasing behaviour and intention." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52570.

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Thesis (MComm.)--Stellenbosch University, 2001.<br>ENGLISH ABSTRACT: In recent years the importance and number of users of electronic commerce and its medium, the Internet, have grown substantially. Despite this, the Business-to- Consumer sector has shown slow expansion and limited growth, with the majority of consumers slow to adopt the Internet as a medium for purchase. A probable factor affecting the purchasing behaviour of individuals is the perception of risk of a breach in (credit card) security and/or a violation of privacy. The research discussed here indicates that two closely

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Dacosta, Italo. "Practical authentication in large-scale internet applications." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44863.

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Due to their massive user base and request load, large-scale Internet applications have mainly focused on goals such as performance and scalability. As a result, many of these applications rely on weaker but more efficient and simpler authentication mechanisms. However, as recent incidents have demonstrated, powerful adversaries are exploiting the weaknesses in such mechanisms. While more robust authentication mechanisms exist, most of them fail to address the scale and security needs of these large-scale systems. In this dissertation we demonstrate that by taking into account the specific req

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10

Clayton, Bradley. "Securing media streams in an Asterisk-based environment and evaluating the resulting performance cost." Thesis, Rhodes University, 2007. http://eprints.ru.ac.za/851/.

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Kalutarage, H. K. "Effective monitoring of slow suspicious activites on computer networks." Thesis, Coventry University, 2013. http://curve.coventry.ac.uk/open/items/afdbba5c-2c93-41a7-90c3-2f0f3261b794/1.

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Slow and suspicious activities on modern computer networks are increasingly hard to detect. An attacker may take days, weeks or months to complete an attack life cycle. A particular challenge is to monitor for stealthy attempts deliberately designed to stay beneath detection thresholds. This doctoral research presents a theoretical framework for effective monitoring of such activities. The main contribution of this work is a scalable monitoring scheme proposed in a Bayesian framework, which allows for detection of multiple attackers by setting a threshold using the Grubbs’ test. Second contrib

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Janz, Linda, and University of Lethbridge Faculty of Arts and Science. "Privacy and the internet : differences in perspectives." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 1997, 1997. http://hdl.handle.net/10133/64.

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This study examined results of a World Wide Web survey that used the framework of domain theory of moral development to examine attitudes of Internet users assuming perspectives of victims, aggressors and bystanders toward privacy issues. The effect of a monetary incentive was tested on two perspectives; effects of three moderating variables, employment status, newsgroup/mailing list membership and culture, were also tested. In the process of examing interactions, an evaluation determined if changes in attitudes indicated movement along a morality continuum. Results show that victims are more

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Cheung, Lai-sze, and 張麗詩. "Delegation of rights using PKI-based components." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29973053.

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Chan, Yik-Kwan Eric, and 陳奕鈞. "Investigation of a router-based approach to defense against Distributed Denial-of-Service (DDoS) attack." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B30173309.

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Zhang, Junjie. "Effective and scalable botnet detection in network traffic." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44837.

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Botnets represent one of the most serious threats against Internet security since they serve as platforms that are responsible for the vast majority of large-scale and coordinated cyber attacks, such as distributed denial of service, spamming, and information stolen. Detecting botnets is therefore of great importance and a number of network-based botnet detection systems have been proposed. However, as botnets perform attacks in an increasingly stealthy way and the volume of network traffic is rapidly growing, existing botnet detection systems are faced with significant challenges in terms of

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Du, Juan. "Constructing the internet panoptic-fortification: a legal study on China's internet regulatory mechanism." HKBU Institutional Repository, 2018. https://repository.hkbu.edu.hk/etd_oa/530.

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With the development of the information network technologies and the popularisation of the Internet, Chinese society is experiencing a Triple Revolution. Regulating the Internet has become a priority in China. In this context, this study seeks a comprehensive and in-depth understanding of China's Internet regulatory mechanism. Through the systematical analysis on Internet law in China, supplemented by the case study on how the issue of the Occupy Movement in Hong Kong was regulated, this study argues that China has developed a hybrid Internet regulatory model, which values both external defens

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Van, der Schyff Karl Izak. "Cloud information security : a higher education perspective." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1011607.

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In recent years higher education institutions have come under increasing financial pressure. This has not only prompted universities to investigate more cost effective means of delivering course content and maintaining research output, but also to investigate the administrative functions that accompany them. As such, many South African universities have either adopted or are in the process of adopting some form of cloud computing given the recent drop in bandwidth costs. However, this adoption process has raised concerns about the security of cloud-based information and this has, in some cases

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Park, Yongro. "A statistical process control approach for network intrusion detection." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/6835.

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Intrusion detection systems (IDS) have a vital role in protecting computer networks and information systems. In this thesis we applied an SPC monitoring concept to a certain type of traffic data in order to detect a network intrusion. We developed a general SPC intrusion detection approach and described it and the source and the preparation of data used in this thesis. We extracted sample data sets that represent various situations, calculated event intensities for each situation, and stored these sample data sets in the data repository for use in future research. A regular batch mean chart w

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Sou, Sok Fong. "An approach to protecting online personal information in Macau government." Thesis, University of Macau, 2018. http://umaclib3.umac.mo/record=b3869194.

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20

Sung, Minho. "Scalable and efficient distributed algorithms for defending against malicious Internet activity." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-07172006-134741/.

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Thesis (Ph. D.)--Computing, Georgia Institute of Technology, 2007.<br>Xu, Jun, Committee Chair ; Ahamad, Mustaque, Committee Member ; Ammar, Mostafa, Committee Member ; Bing, Benny, Committee Member ; Zegura, Ellen, Committee Member.

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Demir, Irfan. "Changing Privacy Concerns in the Internet Era." Thesis, University of North Texas, 2002. https://digital.library.unt.edu/ark:/67531/metadc3187/.

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Privacy has always been a respected value regardless of national borders, cultural differences, and time in every society throughout history. This study focuses on the unprecedented changes in the traditional forms of privacy and consequent concerns with regard to invasion of privacy along with the recent emergence and wide use of the Internet. Government intrusion into private domains through the Internet is examined as a major concern. Privacy invasions by Web marketers, hacker threats against privacy, and employer invasion of employee privacy at the workplace are discussed respectively. The

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Friedman, Brandon. "A study of South African computer usersʹ password usage habits and attitude towards password security". Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013003.

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The challenge of having to create and remember a secure password for each user account has become a problem for many computer users and can lead to bad password management practices. Simpler and less secure passwords are often selected and are regularly reused across multiple user accounts. Computer users within corporations and institutions are subject to password policies, policies which require users to create passwords of a specified length and composition and change passwords regularly. These policies often prevent users from reusing previous selected passwords. Security vendors and profe

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23

Leppan, Claudette. "Analysis of a South African cyber-security awareness campaign for schools using interdisciplinary communications frameworks." Thesis, Nelson Mandela Metropolitan University, 2017. http://hdl.handle.net/10948/18167.

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To provide structure to cyber awareness and educational initiatives in South Africa, Kortjan and Von Solms (2014) developed a five-layer cyber-security awareness and education framework. The purpose of the dissertation is to determine how the framework layers can be refined through the integration of communication theory, with the intention to contribute towards the practical implications of the framework. The study is approached qualitatively and uses a case study for argumentation to illustrate how the existing framework can be further developed. Drawing on several comprehensive campaign pla

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Ndinga, S'busiso Simon. "An investigation into tools and protocols for commercial audio web-site creation." Thesis, Rhodes University, 2000. http://hdl.handle.net/10962/d1006488.

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This thesis presents a feasibility study of a Web-based digital music library and purchasing system. It investigates the current status of the enabling technologies for developing such a system. An analysis of various Internet audio codecs, streaming audio protocols, Internet credit card payment security methods, and ways for accessing remote Web databases is presented. The objective of the analysis is to determine the viability and the economic benefits of using these technologies when developing systems that facilitate music distribution over the Internet. A prototype of a distributed digita

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Kruger, Richard Carl. "Investigating the possible introduction of managed broadband internet security : a pilot study." Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/791.

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Thesis (MBA (Business Management))--Stellenbosch University, 2008.<br>ENGLISH ABSTRACT: Soon after the development of the internet as a network structure connecting computers on a global scale, was the introduction of malicious computer code, which was disseminated through this network. Initially this code was the relegation of pranksters, but evolved quickly to be code causing destruction, intrusion and loss of privacy while on the internet. This code became known as the computer virus and was soon used by fraudsters to infiltrate networks to create deception and fraud for financial gain. It

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Swart, Ignatius Petrus. "Pro-active visualization of cyber security on a National Level : a South African case study." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1017940.

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The need for increased national cyber security situational awareness is evident from the growing number of published national cyber security strategies. Governments are progressively seen as responsible for cyber security, but at the same time increasingly constrained by legal, privacy and resource considerations. Infrastructure and services that form part of the national cyber domain are often not under the control of government, necessitating the need for information sharing between governments and commercial partners. While sharing of security information is necessary, it typically requires

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Judge, Paul Q. "Security and protection architectures for large-scale content distribution." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/9217.

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Singaravelu, Lenin. "End-to-End Security of Information Flow in Web-based Applications." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/16142.

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Web-based applications and services are increasingly being used in security-sensitive tasks. Current security protocols rely on two crucial assumptions to protect the confidentiality and integrity of information: First, they assume that end-point software used to handle security-sensitive information is free from vulnerabilities. Secondly, these protocols assume point-to-point communication between a client and a service provider. However, these assumptions do not hold true with large and complex vulnerable end point software such as the Internet browser or web services middleware or in web s

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Hlaing, Nwe Nwe. "Browser security : a requirements-based approach." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/36887/6/36887_Digitised%20Thesis.pdf.

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A browser is a convenient way to access resources located remotely on computer networks. Security in browsers has become a crucial issue for users who use them for sensitive applications without knowledge ofthe hazards. This research utilises a structure approach to analyse and propose enhancements to browser security. Standard evaluation for computer products is important as it helps users to ensure that the product they use is appropriate for their needs. Security in browsers, therefore, has been evaluated using the Common Criteria. The outcome of this was a security requirements profile whi

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Ncubukezi, Tabisa. "Security considerations of e-learning in higher education institutions." Thesis, Cape Peninsula University of Technology, 2012. http://hdl.handle.net/20.500.11838/2301.

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Thesis (MTech (Information Technology))--Cape Peninsula University of Technology,2012.<br>Learning management systems (LMSs) have become the central aspects of educational processes in modern universities. Arguments are that LMSs improve educational efficiencies including the processes of storage, retrieval and exchange of content without distance, space and time constraints. A trusted platform without undue intrusions however, determines the extent to which these benefits can be realized in higher education (HE) spaces. The underlying assumption in this thesis therefore, is that e-Learni

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Kaiser, Edward Leo. "Addressing Automated Adversaries of Network Applications." PDXScholar, 2010. https://pdxscholar.library.pdx.edu/open_access_etds/4.

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The Internet supports a perpetually evolving patchwork of network services and applications. Popular applications include the World Wide Web, online commerce, online banking, email, instant messaging, multimedia streaming, and online video games. Practically all networked applications have a common objective: to directly or indirectly process requests generated by humans. Some users employ automation to establish an unfair advantage over non-automated users. The perceived and substantive damages that automated, adversarial users inflict on an application degrade its enjoyment and usability by

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De, Wit Roland Duyvené. "Provisioning VolP wireless networks with security." Thesis, Bloemfontein : Central University of Technology, Free State, 2008. http://hdl.handle.net/11462/47.

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Hannigan, Kerry. "Protection and security in a technologically advanced society : children and young people's perspectives." Thesis, University of Stirling, 2014. http://hdl.handle.net/1893/21562.

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The continuous advancement of new technology, specifically in the area of internet technology, has led to an increase in concerns surrounding children and young people’s safety when online. The following thesis describes a study of protection and security on the internet from the perspective of children and young people and contributes and expands on the findings of my Masters Dissertation which examined parents’ perceptions of children at risk on the internet. The research focuses on young people’s perspectives about what risks they face and what would keep them safe and is set within literat

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Egan, Shaun Peter. "A framework for high speed lexical classification of malicious URLs." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1011933.

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Phishing attacks employ social engineering to target end-users, with the goal of stealing identifying or sensitive information. This information is used in activities such as identity theft or financial fraud. During a phishing campaign, attackers distribute URLs which; along with false information, point to fraudulent resources in an attempt to deceive users into requesting the resource. These URLs are made obscure through the use of several techniques which make automated detection difficult. Current methods used to detect malicious URLs face multiple problems which attackers use to their ad

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Mooi, Roderick David. "A model for security incident response in the South African National Research and Education network." Thesis, Nelson Mandela Metropolitan University, 2014. http://hdl.handle.net/10948/d1017598.

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This dissertation addresses the problem of a lack of a formal incident response capability in the South African National Research and Education Network (SA NREN). While investigating alternatives it was found that no clear method exists to solve this problem. Therefore, a second problem is identified: the lack of a definitive method for establishing a Computer Security Incident Response Team (CSIRT) or Computer Emergency Response Team (CERT) in general. Solving the second problem is important as we then have a means of knowing how to start when building a CSIRT. This will set the basis for add

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Sanyamahwe, Tendai. "Digital forensic model for computer networks." Thesis, University of Fort Hare, 2011. http://hdl.handle.net/10353/d1000968.

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The Internet has become important since information is now stored in digital form and is transported both within and between organisations in large amounts through computer networks. Nevertheless, there are those individuals or groups of people who utilise the Internet to harm other businesses because they can remain relatively anonymous. To prosecute such criminals, forensic practitioners have to follow a well-defined procedure to convict responsible cyber-criminals in a court of law. Log files provide significant digital evidence in computer networks when tracing cyber-criminals. Network log

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Megaw, Gregory M. "Phishing within e-commerce: reducing the risk, increasing the trust." Thesis, University of Fort Hare, 2010. http://hdl.handle.net/10353/376.

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E-Commerce has been plagued with problems since its inception and this study examines one of these problems: The lack of user trust in E-Commerce created by the risk of phishing. Phishing has grown exponentially together with the expansion of the Internet. This growth and the advancement of technology has not only benefited honest Internet users, but has enabled criminals to increase their effectiveness which has caused considerable damage to this budding area of commerce. Moreover, it has negatively impacted both the user and online business in breaking down the trust relationship between the

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Allam, Sean. "A model to measure the maturuty of smartphone security at software consultancies." Thesis, University of Fort Hare, 2009. http://hdl.handle.net/10353/281.

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Smartphones are proliferating into the workplace at an ever-increasing rate, similarly the threats that they pose is increasing. In an era of constant connectivity and availability, information is freed up of constraints of time and place. This research project delves into the risks introduced by smartphones, and through multiple cases studies, a maturity measurement model is formulated. The model is based on recommendations from two leading information security frameworks, the COBIT 4.1 framework and ISO27002 code of practice. Ultimately, a combination of smartphone specific risks are integra

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Imine, Youcef. "Cloud computing security." Thesis, Compiègne, 2019. http://www.theses.fr/2019COMP2520.

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Ces dernières années, nous assistons à une immense révolution numérique de l’internet où de nombreuses applications, innovantes telles que l’internet des objets, les voitures autonomes, etc., ont émergé. Par conséquent, l’adoption des technologies d’externalisations des données, telles que le cloud ou le fog computing, afin de gérer cette expansion technologique semble inévitable. Cependant, l’utilisation du cloud ou du fog computing en tant que plateforme d’externalisation pour le stockage ou le partage des données crée plusieurs défis scientifiques. En effet, externaliser ses données signifi

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Dyer, Kevin Patrick. "Novel Cryptographic Primitives and Protocols for Censorship Resistance." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2489.

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Internet users rely on the availability of websites and digital services to engage in political discussions, report on newsworthy events in real-time, watch videos, etc. However, sometimes those who control networks, such as governments, censor certain websites, block specific applications or throttle encrypted traffic. Understandably, when users are faced with egregious censorship, where certain websites or applications are banned, they seek reliable and efficient means to circumvent such blocks. This tension is evident in countries such as a Iran and China, where the Internet censorship infr

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Cheung, Yee-him, and 張貽謙. "Secure object spaces for global information retrieval (SOSGIR)." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B29869596.

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Oliveira, Rogério Leão Santos de [UNESP]. "L3-arpsec - módulo seguro para controle e proteção do protocolo de resolução de endereços em redes definidas por software." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/128103.

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Made available in DSpace on 2015-10-06T13:03:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-07-24. Added 1 bitstream(s) on 2015-10-06T13:18:39Z : No. of bitstreams: 1 000849444.pdf: 1836624 bytes, checksum: d3b670920a0ae185565104f5315bef2a (MD5)<br>O protocolo de resolução de endereços (ARP) é usado para mapear endereços IP a endereços MAC em redes locais. Este protocolo possui algumas vulnerabilidades de segurança e uma delas é ataque Man-in-the-Middle (MITM), em que o cache ARP permite a um host interceptar pacotes trocados entre dois outros hosts. O conceito de Redes Definidas

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Oliveira, Rogério Leão Santos de. "L3-arpsec - módulo seguro para controle e proteção do protocolo de resolução de endereços em redes definidas por software /." Ilha Solteira, 2015. http://hdl.handle.net/11449/128103.

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Orientador: Ailton Akira Shinoda<br>Co-orientador: Christiane Marie Schweitzer<br>Banca: Antonio Marco Cossi<br>Banca: Ed'Wilson Tavares Ferreira<br>Resumo: O protocolo de resolução de endereços (ARP) é usado para mapear endereços IP a endereços MAC em redes locais. Este protocolo possui algumas vulnerabilidades de segurança e uma delas é ataque Man-in-the-Middle (MITM), em que o cache ARP permite a um host interceptar pacotes trocados entre dois outros hosts. O conceito de Redes Definidas por Software (SDNs) representam uma abordagem inovadora na área de redes de computadores, uma vez que pro

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Gerber, Tian Johannes. "VoIP : a corporate governance approach to avoid the risk of civil liability." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1016272.

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Since the deregulation of Voice over Internet Protocol (VoIP) in 2005, many South African organizations are now attempting to leverage its cost saving and competitive values. However, it has been recently cited that VoIP is one of the greatest new risks to organizations and this risk is cited to increase Information Security insurance premiums in the near future. Due to the dynamic nature of the VoIP technology, regulatory and legislative concerns such as lawful interception of communications and privacy may also contribute to business risk. In order to leverage value from the VoIP implementat

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Opie, Jake Weyman. "Securing softswitches from malicious attacks." Thesis, Rhodes University, 2007. http://hdl.handle.net/10962/d1007714.

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Traditionally, real-time communication, such as voice calls, has run on separate, closed networks. Of all the limitations that these networks had, the ability of malicious attacks to cripple communication was not a crucial one. This situation has changed radically now that real-time communication and data have merged to share the same network. The objective of this project is to investigate the securing of softswitches with functionality similar to Private Branch Exchanges (PBX) from malicious attacks. The focus of the project will be a practical investigation of how to secure ILANGA, an ASTER

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Abdelhafez, Mohamed. "Modeling and Simulations of Worms and Mitigation Techniques." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19840.

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Internet worm attacks have become increasingly more frequent and have had a major impact on the economy, making the detection and prevention of these attacks a top security concern. Several countermeasures have been proposed and evaluated in recent literature. However, the eect of these proposed defensive mechanisms on legitimate competing traffic has not been analyzed. The first contribution of this thesis is a comparative analysis of the effectiveness of several of these proposed mechanisms, including a measure of their effect on normal web browsing activities. In addition, we introduce a n

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Tang, Jin. "Mobile IPv4 Secure Access to Home Networks." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/11536.

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With the fast development of wireless networks and devices, Mobile IP is expected to be used widely so that mobile users can access the Internet anywhere, anytime without interruption. However, some problems, such as firewall traversal and use of private IP addresses, restrict use of Mobile IP. The objective of this thesis is to design original schemes that can enable a mobile node at abroad to access its home network as well as the Internet securely and that can help Mobile IP to be used widely and commercially. Our solutions are secure, efficient, and scalable. They can be implemented and ma

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"Internet security threats and solutions." Thesis, 2015. http://hdl.handle.net/10210/13974.

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"A new approach to dynamic internet risk analysis." Thesis, 2009. http://hdl.handle.net/10210/2959.

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"Internet payment system--: mechanism, applications & experimentation." 2000. http://library.cuhk.edu.hk/record=b5890314.

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Ka-Lung Chong.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2000.<br>Includes bibliographical references (leaves 80-83).<br>Abstracts in English and Chinese.<br>Abstract --- p.i<br>Acknowledgments --- p.iii<br>Chapter 1 --- Introduction & Motivation --- p.1<br>Chapter 1.1 --- Introduction --- p.1<br>Chapter 1.2 --- Internet Commerce --- p.3<br>Chapter 1.3 --- Motivation --- p.6<br>Chapter 1.4 --- Related Work --- p.7<br>Chapter 1.4.1 --- Cryptographic Techniques --- p.7<br>Chapter 1.4.2 --- Internet Payment Systems --- p.9<br>Chapter 1.5 --- Contribution --- p.16<br>Chapter

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