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2004
Springer

RheoStat: Real-Time Risk Management

10 years 4 months ago
RheoStat: Real-Time Risk Management
As the frequency of attacks faced by the average host connected to the Internet increases, reliance on manual intervention for response is decreasingly tenable. Operating system and application based mechanisms for automated response are increasingly needed. Existing solutions have either been customized to specific attacks, such as disabling an account after a number of authentication failures, or utilize harsh measures, such as shutting the system down. In contrast, we present a framework for systematic fine grained response that is achieved by dynamically controlling the host’s exposure to perceived threats. This paper introduces a formal model to characterize the risk faced by a host. It also describes how the risk can be managed in real-time by adapting the exposure. This is achieved by modifying the access control subsystem to let the choice of whether to grant a permission be delegated to code that is customized to the specific right. The code can then use the runtime conte...
Ashish Gehani, Gershon Kedem
Added 02 Jul 2010
Updated 02 Jul 2010
Type Conference
Year 2004
Where RAID
Authors Ashish Gehani, Gershon Kedem
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