Cloud Security with Virtualized Defense and Reputation-Based Trust Mangement

Authors:
Kai Hwang;Sameer Kulkareni;Yue Hu
Affiliations:
-;-;-
Venue:
DASC '09 Proceedings of the 2009 Eighth IEEE International Conference on Dependable, Autonomic and Secure Computing
Year:
2009

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Abstract

Internet clouds work as service factories built around web-scale datacenters. The elastic cloud resources and huge datasets processed are subject to security breaches, privacy abuses, and copyright violations. Provisioned cloud resources on-demand are especially vulnerable to cyber attacks. The cloud platforms built by Google, IBM, and Amazon all reveal this weaknesses. We propose a new approach to integrating virtual clusters, security-reinforced datacenters, and trusted data accesses guided by reputation systems.A hierarchy of P2P reputation systems is suggested to protect clouds and datacenters at the site level and to safeguardthe data objects at the file-access level. Different security countermeasures are suggested to protect cloud service models: IaaS, PaaS, and SaaS, currently implemented by Amazon, IBM, and Google, respectively.