viva questions on ensuring distributed accountability for data sharing in the cloud in pdf

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queationspls We proposed innovative approaches for automatically logging any access to the data in the cloud together with an auditing mechanism.
Our approach allows the data owner to not only audit his content but also enforce strong back-end protection if needed.
Moreover, one of the main features of our work is that it enables the data owner to audit even those copies of its data that were made without his knowledge.