Security

Server-Side Detection of Malware Infection

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Executive Summary

The paper reviews the intertwined problems of malware and online fraud, and argues that the fact that service providers often are financially responsible for fraud causes a relative lack of incentives for clients to manage their own security well. This suggests the need for a server-side tool to determine the security posture of clients before letting them transact. This paper introduces an exceedingly lightweight audit mechanism to address this need { permitting for post-mortem infection analysis { and prove its security properties based on standard cryptographic hardness assumptions. The paper describes a deployment architecture that aligns the incentives of participants in order to facilitate quick adoption and widespread use of the technology.

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