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关于举办Dr.Yao Liu学术讲座的通知

时间:2017-06-13 11:47:54  

 各位老师:

     应我院陕西省信息通信网络及安全重点实验室的邀请,美国南佛罗里达大学(University of South Florida)计算机科学与工程系(Department of Computer Science and Engineering)的Yao Liu博士将于2017614日来我校做专题学术讲座,欢迎广大师生参加!报告的具体安排如下:

报告题目:Where Are You From? Confusing Location Distinction Using Virtual Multipath Camouflage

人:Dr.Yao Liu

报告时间:2017614日(星期三)下午14:30-16:30

报告地点:通信与信息工程学院大楼106

    报告摘要:In wireless networks, location distinction aims to detect location changes or facilitate authentication of wireless users. To achieve location distinction, recent research has been focused on investigating the spatial uncorrelation property of wireless channels. Specifically, the differences of wireless channel characteristics are used to distinguish locations or identify location changes.

However, we discover a new attack against all existing location distinction approaches that are built on the spatial uncorrelation property of wireless channels. In such an attack, the adversary can easily hide her location changes or impersonate movements by injecting fake wireless channel characteristics into a target receiver. Experimental results on our USRP-based prototype show that the discovered attack can craft any desired channel characteristic with a successful probability of 95.0% to defeat spatial uncorrelation based location distinction schemes. To defend against this attack, we propose a detection technique that utilizes an auxiliary receiver or antenna to identify these fake channel characteristics. Experiments demonstrate that our novel detection method achieves a detection rate higher than 91.2% while maintaining a very low false alarm rate.

In this talk, I will introduce this discovered attack and the proposed defense methods.

 报告人简介:美国南佛罗里达大学计算机科学与工程系终身助理教授。本科和硕士毕业于西安电子科技大学。2012年毕业于美国北卡莱罗那州立大学,获计算机科学专业博士学位。博士毕业后,进入美国南佛罗里达大学计算机科学与工程系工作,长期从事计算机及无线网络安全、智能电网安全及关键技术研究等方面的研究。Dr. Yao Liu 在网络安全领域的顶级期刊IEEE Trans. Dependable and Secure ComputingIEEE Journal on Selected Areas in CommunicationsIEEE Trans. Mobile ComputingIEEE Trans. Information Forensics and SecurityACM Trans. Information and System Security和安全领域顶级会议INFOCOMCNSCCS上发表论文三十余篇,其论文已被多家研究机构引用。主持美国国家自然基金项目、美国国防研究项目、美国佛罗里达州科学研究项目等,项目总经费达1,522,599美元. 曾获得ACM CCS IEEE S&P Travel awardIEEE MASS最佳论文奖,2016获得National Science Foundation Faculty Early Career Development (CAREER) award(美国国家自然科学基金会杰出青年教授奖)

特此通知。

   

                                                                    通信与信息工程学院

                        陕西省信息通信网络及安全重点实验室

                                                                 2017613


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