September, 2009 Archive

Adding Trust to P2P Distribution of Paid Content

Alex Sherman, Angelos Stavrou, Jason Nieh, Angelos Keromytis, Clifford Stein Proceedings of the 12th Information Security Conference (ISC 2009), Pisa, Italy, September 7-9, 2009, pp. 459-474 Abstract While peer-to-peer (P2P) file-sharing is a powerful and cost-effective content distribution model, most paid-for digital-content providers (CPs) use di- rect download to deliver their content. CPs are hesitant to rely on a P2P …

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A2M: Access-Assured Mobile Desktop Computing

Angelos Stavrou, Ricardo Baratto, Angelos Keromytis, Jason Nieh Proceedings of the 12th Information Security Conference (ISC 2009), Pisa, Italy, September 7-9, 2009, pp. 186-201 Abstract Continued improvements in network bandwidth, cost, and ubiquitous access are enabling service providers to host desktop computing environments to address the complexity, cost, and mobility limitations of today’s personal com- puting infrastructure. However, distributed denial …

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Columbia University Department of Computer Science