The Wi-Fi privacy ticker: improving awareness & control of personal information exposure on Wi-Fi

  • Authors:
  • Sunny Consolvo;Jaeyeon Jung;Ben Greenstein;Pauline Powledge;Gabriel Maganis;Daniel Avrahami

  • Affiliations:
  • Intel Labs Seattle, Seattle, WA, USA;Intel Labs Seattle, Seattle, WA, USA;Intel Labs Seattle, Seattle, WA, USA;Intel Labs Seattle, Seattle, WA, USA;University of California, Davis, Davis, CA, USA;Intel Labs Seattle, Seattle, WA, USA

  • Venue:
  • Proceedings of the 12th ACM international conference on Ubiquitous computing
  • Year:
  • 2010

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Abstract

Anyone within range of an 802.11 wireless network ("Wi-Fi") can use free software to collect the unencrypted web traffic of others on the network. However, many Wi-Fi users are completely unaware of the risk that this creates. This work aims to improve users' awareness about what they expose to others on Wi-Fi networks and provide them with some control. Our system, the Wi-Fi Privacy Ticker, displays information about the exposure of sensitive terms that are sent to and from a user's computer and prevents the unencrypted transmission of terms from the user's computer that she has identified as highly sensitive. In a three-week field study with 17 participants, we found that the Wi-Fi Privacy Ticker improved participants' awareness of the circumstances in which their personal information is transmitted. We show that this heightened awareness contributed to changes in their behavior while on Wi-Fi.