CS&E Colloquium: Inferring Device Events and User Activities from IoT Network Traffic

The computer science colloquium takes place on Mondays from 11:15 a.m. - 12:15 p.m. This week's speaker, Guoliang Xue (Arizona State), will be giving a talk titled, "Inferring Device Events and User Activities from IoT Network Traffic".

Abstract

The availability of ubiquitous and heterogeneous Internet-of-Things (IoT) devices in smart homes and their interactions with users provide a unique opportunity to monitor, understand, recognize, learn, and infer device events and user activities for safety monitoring, connected health, as well as other disruptive services. In this talk, we discuss recent studies in inferring device events and user activities from IoT network traffic in a smart home environment. First, we study what kind of information can be extracted from mostly encrypted IoT network packets. It turns out that information in an IP packet such as timestamp, address of IoT device, server canonical name, remote port, protocol, packet length, etc., can be used to identify an IoT device event, with varying degrees of accuracy. Second, efficient algorithms are designed to infer a sequence of device events from the IoT network traffic log. Next, we explore the possibilities of identifying user activities from a sequence of IoT device events. Unsupervised learning algorithms are designed to infer a subset of user activities from the IoT network traffic log. These algorithms are validated using the network traffic of heterogeneous IoT devices collected at the router of a real-world smart home testbed.

Biography

Guoliang Xue, an IEEE Fellow, is a Professor of Computer Science at Arizona State University. He earned a PhD degree in Computer Science in 1991 from the University of Minnesota. His research interests include resource allocation in computer networks, security and survivability issues in networks, crowdsourcing and quantum networking. He ia an Area Editor of IEEE Transactions on Network Science and Engineering, overseeing 20 Associate Editors in the Computer Networks Area. He served as an editor of IEEE/ACM Transactions on Networking, and an Area Editor of IEEE Transactions on Wireless Communications. He was a TPC chair of IEEE INFOCOM2010, and a General Chair of ACM/IEEE IWQoS2019. He served as the VP-Conferences of the IEEE Communications Society in 2016 and 2017. He is the Steering Committee Chair of IEEE INFOCOM.
Category
CS&E Colloquium
Guoling Xue
Start date
Friday, Sept. 27, 2024, 1:30 p.m.
End date
Friday, Sept. 27, 2024, 2:30 p.m.
Location

Keller Hall 3-180

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