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Peekaboo: A Hub-Based Approach to Enable Transparency in Data Processing within Smart Homes

We present Peekaboo, a new privacy-sensitive architecture for smart homes that leverages an in-home hub to pre-process and minimize outgoing data in a structured and enforceable manner before sending it to external cloud servers. Peekaboo's key innovations are (1) abstracting common data prepro...

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Main Authors:	Jin, Haojian, Liu, Gram, Hwang, David, Kumar, Swarun, Agarwal, Yuvraj, Hong, Jason I.
Format:	Conference Proceeding
Language:	English
Subjects:	Behavioral sciences Data collection Data privacy Data-minimization Pipelines Privacy Smart homes Smart-Home System performance Technological innovation Transparency
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creator	Jin, Haojian Liu, Gram Hwang, David Kumar, Swarun Agarwal, Yuvraj Hong, Jason I.
description	We present Peekaboo, a new privacy-sensitive architecture for smart homes that leverages an in-home hub to pre-process and minimize outgoing data in a structured and enforceable manner before sending it to external cloud servers. Peekaboo's key innovations are (1) abstracting common data preprocessing functionality into a small and fixed set of chainable operators, and (2) requiring that developers explicitly declare desired data collection behaviors (e.g., data granularity, destinations, conditions) in an application manifest, which also specifies how the operators are chained together. Given a manifest, Peekaboo assembles and executes a pre-processing pipeline using operators pre-loaded on the hub. In doing so, developers can collect smart home data on a need-to-know basis; third-party auditors can verify data collection behaviors; and the hub itself can offer a number of centralized privacy features to users across apps and devices, without additional effort from app developers. We present the design and implementation of Peekaboo, along with an evaluation of its coverage of smart home scenarios, system performance, data minimization, and example built-in privacy features.
doi_str_mv	10.1109/SP46214.2022.9833629
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subjects	Behavioral sciences Data collection Data privacy Data-minimization Pipelines Privacy Smart homes Smart-Home System performance Technological innovation Transparency
title	Peekaboo: A Hub-Based Approach to Enable Transparency in Data Processing within Smart Homes
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