Understanding iOS-based Crowdturfing Through Hidden UI Analysis. - Yeonjoon Lee; Xueqiang Wang; Kwangwuk Lee; Xiaojing Liao; XiaoFeng Wang 001; Tongxin Li; Xianghang Mi (USENIX Security Symposium, 2019)

Using Sonar for Liveness Detection to Protect Smart Speakers against Remote Attackers. - Yeonjoon Lee; Yue Zhao 018; Jiutian Zeng; Kwangwuk Lee; Nan Zhang 018; Faysal Hossain Shezan; Yuan Tian 001; Kai Chen 012; XiaoFeng Wang 001 (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2020)