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- W44298938 abstract "Abstract Cybersecurity is a growing concern, especially in open grids, where attack propagation iseasy because of prevalent collaborations among thousands of users and hundreds of institu-tions. The collaboration rules that typically govern large science experiments as well as socialnetworks of scientists span across the institutional security boundaries. A common concern isthat the increased openness may allow malicious attackers to spread more readily around thegrid.We consider how to optimally respond to attacks in open grid environments. To showhow and why attacks spread more readily around the grid, we first discuss how collaborationsmanifest themselves in the grids and how this collaboration model affects the security riskmodel of grid participants. We present a new grid model and use optimization techniques tocalculate the security risk associated with each grid participant. Given an attack scenario, ouroptimizationmodelaimstominimizethreatlevelsatunaffectedparticipantswhilemaximizingthe uninterrupted scientific production (continuing collaborations). By manipulating some ofthe collaboration rules (e.g., suspending a collaboration or shutting down a site), the modelfinds optimal response scenarios to contain an attack scenario." @default.
- W44298938 created "2016-06-24" @default.
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- W44298938 date "2009-01-01" @default.
- W44298938 modified "2023-09-27" @default.
- W44298938 title "Optimal Security Response to Attacks on Open Science Grids" @default.
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