Ensuring Distributed Accountability For Data Sharing In The Cloud - ABSTRACT
ABSTRACT
Cloud computing enables highly scalable services to
be easily consumed over the Internet on an as-needed basis. A major feature of
the cloud services is that users’ data are usually processed remotely in
unknown machines that users do not own or operate.
While
enjoying the convenience brought by this new emerging technology, users’ fears
of losing control of their own data
(particularly, financial and health data) can become a significant barrier to
the wide adoption of cloud services.
To address
this problem, in this project we propose a novel highly decentralized
information accountability framework to keep track of the actual usage of the
users’ data in the cloud. We propose an object-centered approach that enables
enclosing our logging mechanism together with users’ data and policies. We
leverage the JAR programmable capabilities to both create a dynamic and traveling
object, and to ensure that any access to users’ data will trigger
authentication and automated logging local to the JARs. To strengthen user’s
control, we also provide distributed auditing mechanisms. We provide extensive
experimental studies that demonstrate the efficiency and effectiveness of the
proposed approaches.
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