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2016 | OriginalPaper | Chapter

Deducing User Presence from Inter-Message Intervals in Home Automation Systems

Authors : Frederik Möllers, Christoph Sorge

Published in: ICT Systems Security and Privacy Protection

Publisher: Springer International Publishing

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Abstract

Privacy in Home Automation Systems is a topic of increasing importance, as the number of installed systems constantly grows. In this paper we investigate the ability of an outside observer to link sets of message timestamps together to predict user presence and absence. The question we try to answer is: If attacker Eve has captured 1 hour of traffic from victim Alice’s HAS and knows whether Alice was present at that time, can Eve deduce Alice’s state by capturing another hour of traffic? We apply different statistical tests and show that in certain situations, the attacker can infer the user’s presence state with absolute confidence.

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previous chapter A Progress-Sensitive Flow-Sensitive Inlined Information-Flow Control Monitor
next chapter Privacy by Design Principles in Design of New Generation Cognitive Assistive Technologies
Footnotes
1
http://​www.​scipy.​org, accessed 2015-12-18.
 
2
http://​spon.​de/​aeDkn, accessed 2015-12-18.
 
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Metadata
Title
Deducing User Presence from Inter-Message Intervals in Home Automation Systems
Authors
Frederik Möllers
Christoph Sorge
Copyright Year
2016
Book
ICT Systems Security and Privacy Protection

Print ISBN: 978-3-319-33629-9

Electronic ISBN: 978-3-319-33630-5

Copyright Year: 2016

DOI
https://doi.org/10.1007/978-3-319-33630-5_25

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