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Cyber

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Submitted By tbo2013
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The emerging world of diverse, connected smart devices and sensors known as the
Internet
of
Things
has the power to transform society, but also introduces or aggravates very real privacy and security risks.
While
traditional discussions of privacy and security are often linked, we see a marked seperation in the IoT context.Security experts focus on devices while the privacy community has been primarily concerned with aggregated data held on the cloud.
We
attempt to integrate these two discussions by presenting an architectural perspective of how the different components of end-­‐points, devices and links might fit together. Comparing this generalized architecture framework to what is currently offered by the market leads to an interesting observation: much of what is currently called an
Internet
of
Things
resembles a very simple architecture, the client-­‐server relationship. This one-­‐to-­‐many structure with centralized control makes security easier, but concentrates data for greater potential harms. While there are good reasons for early
IoT
applications to follow this basic model, how can we understand risk and control of future instantiations of
IoT?
We use the architectural framework that emphasizes links in the network to explore control points, where engineers might build in security or privacy tools. Control points can rely on both technical and human-­‐level protections, but their flexibility also introduces too much ambiguity—in an open-­‐ended network structure, control points might be inserted anywhere. This can lead to either over-­‐ or under-­‐protection of data and systems. We use a business-­‐case analysis to limit the set of possible network configurations for future
IoT
applications, and suggest how control points might be used in these cases. The paper concludes with some general rules for engineering security and privacy into
IoT.

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