64 citations · 71 across the 4 of their papers we have counts for
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cs.CR2018
The Untold Secrets of Operational Wi-Fi Calling Services: Vulnerabilities, Attacks, and Countermeasures
Tian Xie, Guan-Hua Tu, Bangjie Yin +5
Since 2016, all of four major U.S. operators have rolled out nationwide Wi-Fi calling services. They are projected to surpass VoLTE (Voice over LTE) and other VoIP services in term…
cs.CR2017★ 64 cited
The Insecurity of Home Digital Voice Assistants -- Amazon Alexa as a Case Study
Xinyu Lei, Guan-Hua Tu, Alex X. Liu +3
Home Digital Voice Assistants (HDVAs) are getting popular in recent years. Users can control smart devices and get living assistance through those HDVAs (e.g., Amazon Alexa, Google…
cs.CR2015★ 1 cited
New Threats to SMS-Assisted Mobile Internet Services from 4G LTE: Lessons Learnt from Distributed Mobile-Initiated Attacks towards Facebook and Other Services
Guan-Hua Tu, Yuanjie Li, Chunyi Peng +4
Mobile Internet is becoming the norm. With more personalized mobile devices in hand, many services choose to offer alternative, usually more convenient, approaches to authenticatin…