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Dissertations / Theses on the topic 'ENHANCING SECURITY'

Author: Grafiati
Published: 16 January 2024
Last updated: 25 July 2025

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1

Zhang, Linfan, and Shuang Zheng. "Enhancing QR Code Security." Thesis, Högskolan Kristianstad, Sektionen för hälsa och samhälle, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-14145.

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Quick Response code opens possibility to convey data in a unique way yet insufficient prevention and protection might lead into QR code being exploited on behalf of attackers. This thesis starts by presenting a general introduction of background and stating two problems regarding QR code security, which followed by a comprehensive research on both QR code itself and related issues. From the research a solution taking advantages of cloud and cryptography together with an implementation come after. We also give an objective evaluation on the outcome in comparison to existing QR products. They ar
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2

Yue, Chuan. "Enhancing Web Browsing Security." W&M ScholarWorks, 2010. https://scholarworks.wm.edu/etd/1539623575.

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Web browsing has become an integral part of our lives, and we use browsers to perform many important activities almost everyday and everywhere. However, due to the vulnerabilities in Web browsers and Web applications and also due to Web users' lack of security knowledge, browser-based attacks are rampant over the Internet and have caused substantial damage to both Web users and service providers. Enhancing Web browsing security is therefore of great need and importance.;This dissertation concentrates on enhancing the Web browsing security through exploring and experimenting with new approaches
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H, Fruchter Nathaniel. "Enhancing ISP-consumer security notifications." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122916.

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This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, School of Engineering, Institute for Data, Systems, and Society, Technology and Policy Program, 2019<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 79-85).<br>Security notification schemes hold great promise for improving both consumer cybersecurity and general network health as malware and other sources of malici
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4

Mohammed, Ali, Sachin Sama, and Majeed Mohammed. "Enhancing Network Security in Linux Environment." Thesis, Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-17144.

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Designing a secured network is the most important task in any enterprise or organization development. Securing a network mainly involves applying policies and procedures to protect different network devices from unauthorized access. Servers such as web servers, file servers, mail servers, etc., are the important devices in a network. Therefore, securing these servers is the first and foremost step followed in every security implementation mechanism. To implement this, it is very important to analyse and study the security mechanisms provided by the operating system. This makes it easier for se
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Liu, Ying. "Enhancing security for XML Web services." Thesis, University of Ottawa (Canada), 2007. http://hdl.handle.net/10393/27531.

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The XML-based interoperable characteristics make enhancing security for XML Web Services a lot different from that of the traditional network-based applications. SSL VPN gateways are usually used to provide security for traditional network-based applications, but not for Web Services. This thesis presents an integrated security solution for securing both traditional network-based applications and Web Services. The integrated security solution includes a VPN framework and a Web Services framework. Considering that we have already had an SSL VPN gateway developed by our lab, we take it as the mo
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6

Kadhum, Hamza. "Enhancing Zigbee Security for Industrial Implementation." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279559.

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Zigbee network is a popular choice for deploying low power personal area network (LoWPAN). The application areas vary but the most popular are industrial area monitoring and home automation. But Zigbee has been identified to have weak security and is not applicable for industrial implementation. This paper is collaboration with Ericsson to investigate Zigbee network security and implementation. This paper will cover security solutions for Zigbee and touch on how to configure Zigbee network such that it can operate for a long period of time without battery changes. The security solutions will d
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7

Makkar, Ankush. "Enhancing IoT Security Using 5G Capabilities." Thesis, Luleå tekniska universitet, Digitala tjänster och system, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85109.

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Internet of Things (IoT) is an ecosystem comprises CT (Communication Technology),IT (Information Technology) and sometime OT (Operational Technologies) wheredifferent machines and devices can interact with each other and exchange useful datawhich can be processed using different IoT applications to take decisions and performrequired actions. Number of IoT devices and IoT networks are growing exponentially.Security is of utmost importance and without proper security implementation, IoTNetworks with billions of devices will be hacked and used as botnets which can createdisaster. The new IoT use
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8

Fekete, Florian. "Civil-military relations : enhancing international security." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Mar%5FFekete.pdf.

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Thesis (M.A. in International Security and Civil-Military Relations)--Naval Postgraduate School, March 2003.<br>Thesis advisor(s): Donald Abenheim, Karen Guttieri. Includes bibliographical references (p. 65-70). Also available online.
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9

Kirkham, E., and C. Flew. "Strengthening embargoes and enhancing human security." Thesis, International Alert, Saferworld and University of Bradford, Department of Peace Studies, Centre for International Co-operation and Security, 2003. http://hdl.handle.net/10454/4275.

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yes<br>Arms embargoes are one of the principal tools of states in seeking to prevent, limit and bring an end to armed conflict and human rights abuses. Despite the frequency with which arms embargoes have been imposed, there are significant problems with their implementation. Pressure is therefore growing for the international governmental community to act in order to ensure that the political commitment embodied by the imposition of arms embargoes is matched by the commitment to ensure their rigorous enforcement and to achieve enhanced human security on the ground. Increasing the effecti
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10

Lee, Man Hee. "Architectural support for enhancing security in clusters." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2889.

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11

Beygo, Ömer Kerem, and Cihan Eraslan. "Enhancing Security and Usability Features of NFC." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-5620.

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Near Field Communication (NFC) is a short range wireless communication protocol which is primarily intended to be used on mobile phones. Building upon existing infrastructure of RFID, NFC brings simplicity for connection of mobile devices, service initiation, mobile payment and ticketing. However, NFC still remains as a field that number of researches done are limited. The aim of this paper was to provide solutions for the problems of NFC that cause security risks and hurt user experience. To reach this goal we have reviewed the current literature and implemented an NFC application that we hav
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12

Assora, Mohammed. "Enhancing the Security of web commerce transactions." Thesis, Anglia Ruskin University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.478891.

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13

Khu-Smith, Vorpranee. "Enhancing the security of electronic commerce transactions." Thesis, Royal Holloway, University of London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406487.

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14

Alsaid, Adil. "Enhancing end user security : attacks and solutions." Thesis, Royal Holloway, University of London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439012.

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15

Malan, LP, and Rooyen EJ van. "Community partnerships- enhancing municipal food security policy." Journal of Public Administration, 2010. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001174.

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Whilst many developing countries engage in sound policy processes on macro level as far as economic and social development are concerned, the day-to-day victual needs of impoverished communities also depend on sound policies as well as appropriate arrangements, which take effect in the municipal sphere. Such needs, as food security, is dependant on the establishment of effective partnership agreements among all stakeholders, including local councils, district councils as well as metropolitan councils; the actual entities that are responsible to create the enabling environment in which food sec
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16

Krupp, Brian Michael. "Enhancing Security And Privacy For Mobile Systems." Cleveland State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=csu1432156543.

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17

Hussein, Nesrin. "Enhancing Software Security through Modeling Attacker Profiles." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1523635219435409.

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18

Smedlund, Kristoffer. "Enhancing the security of an audit log." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-372076.

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In todays society data breaches have become an all too common issue. Insecure databases allows intruders to access sensitive data. This thesis examines how to enhance the security of a relational database. The database is used as an audit log in a system platform at LeanOn AB. The security enhancements are made by implementing cryptographic hash sums to ensure that the data in the database can’t be altered without detection, and by implementing symmetric cryptography to ensure that only authorized people can read and write the data. Some basic security features that the database management sys
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19

Al-Hamar, Aisha. "Enhancing information security in organisations in Qatar." Thesis, Loughborough University, 2018. https://dspace.lboro.ac.uk/2134/33541.

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Due to the universal use of technology and its pervasive connection to the world, organisations have become more exposed to frequent and various threats. Therefore, organisations today are giving more attention to information security as it has become a vital and challenging issue. Many researchers have noted that the significance of information security, particularly information security policies and awareness, is growing due to increasing use of IT and computerization. In the last 15 years, the State of Qatar has witnessed remarkable growth and development of its civilization, having embrace
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20

Li, Yue. "On Enhancing Security of Password-Based Authentication." W&M ScholarWorks, 2019. https://scholarworks.wm.edu/etd/1563898928.

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Password has been the dominant authentication scheme for more than 30 years, and it will not be easily replaced in the foreseeable future. However, password authentication has long been plagued by the dilemma between security and usability, mainly due to human memory limitations. For example, a user often chooses an easy-to-guess (weak) password since it is easier to remember. The ever increasing number of online accounts per user even exacerbates this problem. In this dissertation, we present four research projects that focus on the security of password authentication and its ecosystem. Firs
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21

Fischer-Hübner, Simone. "IT-security and privacy : design and use of privacy-enhancing security mechanisms /." Berlin [u.a.] : Springer, 2001. http://www.loc.gov/catdir/enhancements/fy0812/2001034161-d.html.

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22

Zaaba, Zarul Fitri. "Enhancing usability using automated security interface adaptation (ASIA)." Thesis, University of Plymouth, 2014. http://hdl.handle.net/10026.1/3025.

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Many users are now significantly dependent upon computer application. Whilst many aspects are now used very successfully, an area in which usability difficulties continue to be encountered is in relation to security. Thus can become particularly acute in situations where users are required to interact and make decisions, and a key context here is typically when they need to respond to security warnings. The current implementation of security warnings can often be considered as an attempt to offer a one size fits all solution. However, it can be argued that many implementations are still lackin
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23

Al-Talabani, Ali Mohammed Noori Hasan. "Enhancing physical layer security in cognitive radio networks." Thesis, King's College London (University of London), 2016. https://kclpure.kcl.ac.uk/portal/en/theses/enhancing-physical-layer-security-in-cognitive-radio-networks(d9036158-5310-4292-b93d-f542354269a7).html.

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A cognitive radio is an intelligent wireless communication system that improves spectrum utilisation by allowing secondary users to use the idle radio spectrum from primary licensed networks or to share the spectrum with primary users. Due to several significant challenges for cryptographic approaches of upper layers in protocol stacks | for example, private key management complexity and key transmission security issues | physical layer (PHY) security has drawn significant attention as an alternative for cryptographic approaches at the upper layers of the protocol stack. Security threats may a
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24

Jokhio, Imran Ali. "A scalable scheme for enhancing EPC network security." Thesis, University of Leeds, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.530830.

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25

Cooney, Geoffrey T. (Geoffrey Thomas) 1980. "Optimizing neural networks for enhancing air traffic security." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28382.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>Includes bibliographical references (leaves 81-83).<br>This thesis contains the process and results related to optimizing a neural network to predict future positions of airplanes in the vicinity of airports. These predicted positions are then used to calculate future separation distances between pairs of airplanes. The predicted values of the separation distance are used to ensure adequate distances between adjacent aircrafts in the air and, if necessary, to create early war
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Cadar, Cristian. "Enhancing availability and security through boundless memory blocks." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/33123.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>Includes bibliographical references (leaves 49-52).<br>We present a new technique, boundless memory blocks, that automatically eliminates buffer overflow errors, enabling programs to continue to execute through memory errors without memory corruption. Buffer overflow vulnerabilities are caused by programming errors that allow an attacker to cause the program to write beyond the bounds of an allocated memory block to corrupt other data structures. The standard way to exploit a
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Frantz, Miles Eugene. "Enhancing CryptoGuard's Deployability for Continuous Software Security Scanning." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/98521.

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The increasing development speed via Agile may introduce overlooked security steps in the process, with an example being the Iowa Caucus application. Verifying the protection of confidential information such as social security numbers requires security at all levels, providing protection through any connected applications. CryptoGuard is a static code analyzer for Java. This program verifies that developers do not leave vulnerabilities in their application. The program aids the developer by identifying cryptographic misuses such as hard-coded keys, weak program hashes, and using insecure proto
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Al-Shareeda, Sarah Yaseen Abdulrazzaq. "Enhancing Security, Privacy, and Efficiency of Vehicular Networks." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu150032914711847.

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29

Van, Balen Nicolas Jorge. "Enhancing Usability and Security through Alternative Authentication Methods." W&M ScholarWorks, 2017. https://scholarworks.wm.edu/etd/1516639579.

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With the expanding popularity of various Internet services, online users have be- come more vulnerable to malicious attacks as more of their private information is accessible on the Internet. The primary defense protecting private information is user authentication, which currently relies on less than ideal methods such as text passwords and PIN numbers. Alternative methods such as graphical passwords and behavioral biometrics have been proposed, but with too many limitations to replace current methods. However, with enhancements to overcome these limitations and harden existing methods, alter
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Yi, Shanhe. "Enhancing Usability, Security, and Performance in Mobile Computing." W&M ScholarWorks, 2018. https://scholarworks.wm.edu/etd/1530192793.

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We have witnessed the prevalence of smart devices in every aspect of human life. However, the ever-growing smart devices present significant challenges in terms of usability, security, and performance. First, we need to design new interfaces to improve the device usability which has been neglected during the rapid shift from hand-held mobile devices to wearables. Second, we need to protect smart devices with abundant private data against unauthorized users. Last, new applications with compute-intensive tasks demand the integration of emerging mobile backend infrastructure. This dissertation fo
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Liyanage, M. (Madhusanka). "Enhancing security and scalability of Virtual Private LAN Services." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526213767.

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Abstract Ethernet based VPLS (Virtual Private LAN Service) is a transparent, protocol independent, multipoint L2VPN (Layer 2 Virtual Private Network) mechanism to interconnect remote customer sites over IP (Internet Protocol) or MPLS (Multiprotocol Label Switching) based provider networks. VPLS networks are now becoming attractive in many Enterprise applications, such as DCI (data center interconnect), voice over IP (VoIP) and videoconferencing services due to their simple, protocol-independent and cost efficient operation. However, these new VPLS applications demand additional requirements, s
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Saed, Mustafa. "Techniques for Enhancing the Security of Future Smart Grids." Thesis, University of Detroit Mercy, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10793626.

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<p> The smart grid is a new technology that uses new and sophisticated techniques for electrical transmission and distribution in order to provide excellent electrical service to customers, and allow them to manage their electricity consumption in a two-way communication. The idea of the &ldquo;Smart Grid&rdquo; was most likely invented by researchers and engineers at the U.S. Department of Energy, who were concerned with increasing the level of functionalities and intelligence of the contemporary electrical grid. Some of these functionalities typically include knowledge about generation, the
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Dresser, Eric L. (Eric Lane). "The effectiveness and economic impact of enhancing container security." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/33424.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 2004.<br>Includes bibliographical references (p. 96-101).<br>Over the past few decades, international containerized shipping has evolved to become the main artery of global trade, providing both convenient and inexpensive access to goods from markets around the world. Yet the very size and efficiencies that have made container shipping such an attractive means of transport have also created a system that is highly vulnerable to terrorist exploitation. This paper outlines the current initiatives taken by both the
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Wild, Stefan. "Enhancing Security in Managing Personal Data by Web Systems." Universitätsverlag Chemnitz, 2016. https://monarch.qucosa.de/id/qucosa%3A20629.

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Web systems have become an integral part in daily life of billions of people. Social is a key characteristic today’s web projects need to feature in order to be successful in the social age. To benefit from an improved user experience, individual persons are continually invited to reveal more and more personal data to web systems. With a rising severity of attacks on web systems, it is evident that their security is inadequate for the amount of accumulated personal data. Numerous threat reports indicate that social media has become a top-ranking attack target, with climbing impacts, with ramif
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Wild, Stefan. "Enhancing Security in Managing Personal Data by Web Systems." Doctoral thesis, Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-217284.

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Web systems have become an integral part in daily life of billions of people. Social is a key characteristic today’s web projects need to feature in order to be successful in the social age. To benefit from an improved user experience, individual persons are continually invited to reveal more and more personal data to web systems. With a rising severity of attacks on web systems, it is evident that their security is inadequate for the amount of accumulated personal data. Numerous threat reports indicate that social media has become a top-ranking attack target, with climbing impacts, with ramif
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36

Lee, Danielle. "Enhancing national security by strengthening the legal immigration system." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Dec/09Dec%5FLee_Danielle.pdf.

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Thesis (M.A. in Security Studies (Homeland Security and Defense)--Naval Postgraduate School, December 2009.<br>Thesis Advisor(s): Bach, Robert; Joyce, Nola. "December 2009." Description based on title screen as viewed on January 26, 2009. Author(s) subject terms: U.S. Citizenship and Immigration Services (USCIS), immigration, benefit, fraud, terrorism, border security, watch list, immigration reform. Includes bibliographical references (p. 83-91). Also available in print.
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Bi, Ying. "Enhancing Physical-Layer Security in Wireless Powered Communication Networks." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/16890.

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In modern society, the communications sector is a critical enabler of economic and social activity. Despite the benefit of the improved ubiquitousness, the rapid diffusion of communications technologies is driving one to question the security of communications networks and systems. It is this situation which has motivated the research and development work to be reported in this thesis. Especially, this thesis consists of two parts: The first part focuses on our main research under the umbrella of physical-layer security (PLS), and the second part presents our work on security and data manageme
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38

Reid, Jason Frederick. "Enhancing security in distributed systems with trusted computing hardware." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16379/1/Jason_Reid_Thesis.pdf.

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The need to increase the hostile attack resilience of distributed and internet-worked computer systems is critical and pressing. This thesis contributes to concrete improvements in distributed systems trustworthiness through an enhanced understanding of a technical approach known as trusted computing hardware. Because of its physical and logical protection features, trusted computing hardware can reliably enforce a security policy in a threat model where the authorised user is untrusted or when the device is placed in a hostile environment. We present a critical analysis of vulnerabilit
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Reid, Jason Frederick. "Enhancing security in distributed systems with trusted computing hardware." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16379/.

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The need to increase the hostile attack resilience of distributed and internet-worked computer systems is critical and pressing. This thesis contributes to concrete improvements in distributed systems trustworthiness through an enhanced understanding of a technical approach known as trusted computing hardware. Because of its physical and logical protection features, trusted computing hardware can reliably enforce a security policy in a threat model where the authorised user is untrusted or when the device is placed in a hostile environment. We present a critical analysis of vulnerabilit
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Miguel, Moneo Jorge. "An information security model based on trustworthiness for enhancing security in on-line collaborative learning." Doctoral thesis, Universitat Oberta de Catalunya, 2015. http://hdl.handle.net/10803/399030.

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L'objectiu principal d'aquesta tesi és incorporar propietats i serveis de la seguretat en sistemes d'informació en l'aprenentatge col·laboratiu en línia, seguint un model funcional basat en la valoració i predicció de la confiança. Aquesta tesi estableix com a punt de partença el disseny d'una solució de seguretat innovadora, basada en una metodologia pròpia per a oferir als dissenyadors i gestors de l'e-learning les línies mestres per a incorporar mesures de seguretat en l'aprenentatge col·laboratiu en línia. Aquestes guies cobreixen tots els aspectes sobre el disseny i la gestió que s'han de
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Nia, Ramadianti Putri Mganga, and Medard Charles. "Enhancing Information Security in Cloud Computing Services using SLA based metrics." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-1999.

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Context: Cloud computing is a prospering technology that most organizations are considering for adoption as a cost effective strategy for managing IT. However, organizations also still consider the technology to be associated with many business risks that are not yet resolved. Such issues include security, privacy as well as legal and regulatory risks. As an initiative to address such risks, organizations can develop and implement SLA to establish common expectations and goals between the cloud provider and customer. Organizations can base on the SLA to measure the achievement of the outsource
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42

Guymon, Daniel Wade. "Cyber-physical Algorithms for Enhancing Collaboration." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/31919.

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The research presented in this thesis covers two specific problems within the larger domain of cyber-physical algorithms for enhancing collaboration between one or more people. The two specific problems are 1) determining when people are going to arrive late to a meeting and 2) creating ad-hoc secure pairing protocols for short-range communication. The domain was broken down at opposite extremes in order to derive these problems to work on: 1) collaborations that are planned long in advance and deviations from the plan need to be detected and 2) collaborations that are not planned and need t
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Feng, Yuhui. "Enhancing Efficiency of Beaconing in VANETs." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1461253651.

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KANADE, Sanjay Ganesh. "Enhancing information security and privacy by combining biometrics with cryptography." Phd thesis, Institut National des Télécommunications, 2010. http://tel.archives-ouvertes.fr/tel-01057728.

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Securing information during its storage and transmission is an important and widely addressed issue. Generally, cryptographic techniques are used for information security. Cryptography requires long keys which need to be kept secret in order to protect the information. The drawback of cryptography is that these keys are not strongly linked to the user identity. In order to strengthen the link between the user's identity and his cryptographic keys, biometrics is combined with cryptography. In this thesis, we present various methods to combine biometrics with cryptography. With this combination,
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Kanade, Sanjay Ganesh. "Enhancing information security and privacy by combining biometrics with cryptography." Thesis, Evry, Institut national des télécommunications, 2010. http://www.theses.fr/2010TELE0022/document.

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La sécurité est un enjeu majeur de notre société numérique. En règle générale, les techniques cryptographiques sont utilisées pour sécuriser l'information avec des clés cryptographiques. Un inconvénient majeur de ces systèmes est le faible lien entre les clés et l’utilisateur. Avec la biométrie on a une preuve plus forte de la présence physique d’un individu, mais ces systèmes possèdent aussi leurs inconvénients, tels que la non-révocabilité ainsi que le potentiel de compromettre notre vie privée. Un axe de recherche multidisciplinaire se profile depuis 1998, la crypto-biométrie. Dans cette th
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Liu, Weigang. "Enhancing physical layer security in wireless networks with cooperative approaches." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/19565.

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Motivated by recent developments in wireless communication, this thesis aims to characterize the secrecy performance in several types of typical wireless networks. Advanced techniques are designed and evaluated to enhance physical layer security in these networks with realistic assumptions, such as signal propagation loss, random node distribution and non-instantaneous channel state information (CSI). The first part of the thesis investigates secret communication through relay-assisted cognitive interference channel. The primary and secondary base stations (PBS and SBS) communicate with the pr
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47

Shepherd, Lynsay A. "Enhancing security risk awareness in end-users via affective feedback." Thesis, Abertay University, 2016. https://rke.abertay.ac.uk/en/studentTheses/e5af92fb-4936-43d2-878e-fbc16711e36d.

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Background: Risky security behaviour displayed by end-users has the potential to leave devices vulnerable to compromise, despite the availability of security tools designed to aid users in defending themselves against potential online threats. This indicates a need to modify the behaviour of end-users, allowing them to consider the security implications of their actions online. Previous research has indicated affective feedback may serve as a successful method of educating users about risky security behaviours. Thus, by influencing end-users via affective feedback it may be possible to engage
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48

Spencer, David K. "Enhancing the European Union's development strategy in Afghanistan." Thesis, Monterey, California : Naval Postgraduate School, 2010. http://edocs.nps.edu/npspubs/scholarly/theses/2010/Jun/10Jun%5FSpencer.pdf.

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Thesis (M.A. in Security Studies (Europe and Eurasia))--Naval Postgraduate School, June 2010.<br>Thesis Advisor(s): Spencer, David K.; Siegel, Scott N. "June 2010." Description based on title screen as viewed on July 14, 2010. Author(s) subject terms: European Union, Afghanistan, regional development strategy, sustainable economic growth, development coordination, private sector, European Commission, European Council, EU member states, value chain, ANDS, Afghanistan National Development Strategy, UNAMA, JCMB, Nangarhar Inc, Provincial Development Plan, PDP, Lisbon Treaty, NGO, super envoy,
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49

Vilarinho, Thomas Carlyle. "Trusted secure service design : Enhancing trust with the future sim-cards." Thesis, Norwegian University of Science and Technology, Department of Telematics, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9013.

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<p>The SIM cards are going through several new enhancements both in the underlying hardware and its capabilities. They are becoming secure wireless networked devices containing embedded sensors. This thesis assess how this new SIM capabilities together with its pervasiveness and security can support the development and design of trust-based applications. It reviews the new trust possibilities based on the identity factor, connectivity and context-awareness sensors on the SIM. Moreover, we present a specific use-case around a seamless trust builder for social networks, which makes use of sensed
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50

Gill, Khusvinder. "Enhancing the security of wireless sensor network based home automation systems." Thesis, Loughborough University, 2009. https://dspace.lboro.ac.uk/2134/5951.

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Home automation systems (HASs)seek to improve the quality of life for individuals through the automation of household devices. Recently, there has been a trend, in academia and industry, to research and develop low-cost Wireless Sensor Network (WSN) based HASs (Varchola et al. 2007). WSNs are designed to achieve a low-cost wireless networking solution, through the incorporation of limited processing, memory, and power resources. Consequently, providing secure and reliable remote access for resource limited WSNs, such as WSN based HASs, poses a significant challenge (Perrig et al. 2004). This t
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