<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><div class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">This is an announcement of Weijia He's MS Presentation.</div></div></div></div></div></div></div></div></div></div></div></div><div class=""><div class=""><div class=""><br class="">------------------------------------------------------------------------------<br class="">Date: Wednesday, August 7, 2019<br class=""><br class="">Time: 11:30 AM<br class=""><br class="">Place: John Crerar Library 298<br class=""><br class="">M.S. Candidate: Weijia He<br class=""><br class="">M.S. Paper Title: Rethinking Access Control and Authentication for the<br class="">Home Internet of Things (IoT)<br class=""><br class="">Abstract:<br class="">Computing is transitioning from single-user devices to the Internet of<br class="">Things (IoT), in which multiple users with complex social<br class="">relationships interact with a single device. Currently deployed<br class="">techniques fail to provide usable access-control specification or<br class="">authentication in such settings. In this paper, we begin reenvisioning<br class="">access control and authentication for the home IoT. We propose that<br class="">access control focus on IoT capabilities (i.\,e., certain actions that<br class="">devices can perform), rather than on a per-device granularity. In a<br class="">425-participant online user study, we find stark differences in<br class="">participants' desired access-control policies for different<br class="">capabilities within a single device, as well as based on who is trying<br class="">to use that capability. From these desired policies, we identify<br class="">likely candidates for default policies. We also pinpoint necessary<br class="">primitives for specifying more complex, yet desired, access-control<br class="">policies. These primitives range from the time of day to the current<br class="">location of users. Finally, we discuss the degree to which different<br class="">authentication methods potentially support desired policies.<br class=""><br class="">Weijia's advisor is Prof. Blase Ur<br class=""><br class="">Login to the Computer Science Department website for details:<br class=""> <a href="https://newtraell.cs.uchicago.edu/phd/ms_announcements#hewj" class="">https://newtraell.cs.uchicago.edu/phd/ms_announcements#hewj</a><br class=""><br class=""></div></div></div></div></div><br class=""><br class=""><div class="">
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