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Security challenges with virtualization

Authors: Ramos, João Carlos Carvalho dos Santos;

Security challenges with virtualization

Abstract

Virtualização é uma palavra em voga no mundo das tecnologias de informação. Com a promessa de reduzir o constante crescimento das infra-estruturas informáticas dentro de um centro de processamento de dados, aliado a outros aspectos importantes como disponibilidade e escalabilidade, as tecnologias de virtualização têm vindo a ganhar popularidade, não só entre os profissionais de tecnologias de informação mas também administradores e directores. No entanto, o aumento da adopção do uso desta tecnologia expõe o sistema a novas preocupações de segurança que normalmente são negligenciadas. Esta tese apresenta o estado da arte das soluções actualmente mais usadas de virtualização de servidores e também um estudo literário dos vários problemas de segurança das tecnologias de virtualização. Estes problemas não são específicos em termos de produto, e são abordados no âmbito de tecnologias de virtualização. No entanto, nesta tese é feita uma análise de vulnerabilidades de duas das mais conhecidas soluções de virtualização: Vmware EXS e Xen. No final, são descritas algumas soluções para melhorar a segurança de acesso a banco online e de comercio electrónico, usando virtualização.

Virtualization is a hype word in the IT world. With the promise to reduce the ever-growing infrastructure inside data centers allied to other important concerns such as availability and scalability, virtualization technology has been gaining popularity not only with IT professionals but also among administrators and directors as well. The increasingly rising rate of the adoption of this technology has exposed these systems to new security concerns which in recent history have been ignored or simply overlooked. This thesis presents an in depth state of art look at the currently most used server virtualization solutions, as well as a literature study on various security issues found within this virtualization technology. These issues can be applied to all the current virtualization technologies available without focusing on a specific solution. However, we do a vulnerability analysis of two of the most known virtualization solutions: VMware ESX and Xen. Finally, we describe some solutions on how to improve the security of online banking and e-commerce, using virtualization.

Tese de mestrado, Segurança Informática, Universidade de Lisboa, Faculdade de Ciências, 2009

Country
Portugal
Related Organizations
Keywords

Banco online, Banco Online, Segurança, Teses de mestrado - 2009, Virtualização, Ameaças

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green