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Security in untrusted storage

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The cloud-storage model implies that a data owner loses control over its data in several ways. After outsourcing its data to the cloud, the owner is bound to trust the cloud provider for confidentiality, privacy, integrity, and availability. Cryptographic mechanisms can reduce such trust by allowing the owner to protect its data and to verify some aspects of remote computation on the data. This presentation discusses a number of mechanisms for securing data stored in the cloud and for protecting computations running in the cloud. Particular topics include data encryption and key management, integrity and consistency of untrusted services, and replication for availability.

This talk is part of the Microsoft Research Cambridge, public talks series.

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