Internet of Things (IoT) devices are largely embedded<\/p>\n
devices which lack a sophisticated user interface, <\/span>e.g.<\/span>, touch<\/span><\/p>\n screen, keyboard, <\/span>etc. <\/span>As a consequence, traditional Pre-Shared<\/span><\/p>\n Key (PSK) based authentication for mobile devices becomes<\/p>\n difficult to apply. For example, according to our study on home<\/p>\n automation devices which leverage smartphone for PSK input,<\/p>\n the current process does not protect against active impersonating<\/p>\n attack and also leaks the Wi-Fi password to eavesdroppers, <\/span>i.e.<\/span>,<\/span><\/p>\n currently these IoT devices can be exploited to enter into critical<\/p>\n infrastructures, <\/span>e.g.<\/span>, home networks. Motivated by this realworld<\/span><\/p>\n security vulnerability, in this paper we propose a novel<\/p>\n proximity-based mechanism for IoT device authentication, called<\/p>\n Move2Auth<\/span>, for the purpose of enhancing IoT device security. In<\/span><\/p>\n Move2Auth, we require user to hold smartphone and perform one<\/p>\n of two hand-gestures (moving towards and away, and rotating)<\/p>\n in front of IoT device. By combining (1) large RSS-variation and<\/p>\n (2) matching between RSS-trace and smartphone sensor-trace,<\/p>\n Move2Auth can reliably detect proximity and authenticate IoT<\/p>\n device accordingly. Based on our implementation on Samsung<\/p>\n Galaxy smartphone and commodity Wi-Fi adapter, we prove<\/p>\n Move2Auth can protect against powerful active attack, <\/span>i.e.<\/span>, the<\/span><\/p>\n false-positive rate is consistently lower than <\/span>0<\/span>:<\/span>5%<\/span>.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" Internet of Things (IoT) devices are largely embedded devices which lack a sophisticated user interface, e.g., touch screen, keyboard, etc. As a consequence, traditional Pre-Shared Key (PSK) based authentication for mobile devices becomes difficult to apply. For example, according to our study on home automation devices which leverage smartphone for PSK input, the current process […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":[{"type":"user_nicename","value":"jiazhang","user_id":"32277"}],"msr_publishername":"IEEE","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"INFOCOM 2017","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"INFOCOM 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