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美国南佛罗里达大学计算机科学与工程系刘尧博士来校讲座预告


  应信息与通信学院和无线宽带通信与信号处理重点实验室的邀请,美国南佛罗里达大学计算机科学与工程系刘尧博士将于7月5日来校讲学,欢迎全校师生踊跃参加。

  讲座题目:PDF Mirage: Content Masking AttackAgainst Information-Based Online Services
  讲 座 人:刘尧博士
  讲座时间:2017年7月5日(周三)上午9:30-11:30
  讲座地点:金鸡岭校区图书馆508室

  摘要:I will introduce our recent research results on PDF security. We present a new class of content masking attacks against the Adobe PDF standard, causing documents to appear to humans dissimilar to the underlying content extracted by information-based services. We show three attack variants with notable impact on real-world systems. Our first attack allows academic paper writers and reviewers to collude via subverting the automatic reviewer assignment systems in current use by academic conferences. Our second attack renders ineffective plagiarism detection software, particularly Turnitin, targeting specific small plagiarism similarity scores to appear natural and evade detection. In our final attack, we place masked content into the indexes for Bing, Yahoo!, and DuckDuckGo which renders as information entirely different from the keywords used to locate it, enabling spam, profane, or possibly illegal content to go unnoticed by these search engines but still returned in unrelated search results. Lastly, as these systems eschew optical character recognition
(OCR) for its overhead, we offer a comprehensive and lightweight alternative mitigation method.

  报告人概况:刘尧博士2012年毕业于美国北卡罗来纳州立大学获得博士学位. 从2012年至今在美国南佛罗里达大学计算机科学与工程系担任助理教授。刘尧博士的研究领域包括无线系统安全,智能电网安全, 移动计算安全。刘尧博士曾获美国国家自然科学基金的青年成就奖 (US National Science Foundation CAREER Award,2016)、美国南佛罗里达大学工程学院青年教授卓越研究奖 (USF CoE Outstanding Junior Research Achievement Award, 2016),美国南佛罗里达大学杰出学者奖(USF Outstanding Faculty Award, 2016). 刘尧博士的研究成果发表在计算机网络和安全领域的顶级期刊和会议包括USENIX Security, ACM MobiCom,ACM CCS, IEEE S&P (Oakland), IEEE INFOCOM, IEEE Transactions on Mobile Computing, IEEE Transactions on Information Forensics and Security,IEEE Transactions on Dependable and Secure Computing, IEEE Journal on Selected Areas in Communications。并被长期邀请担任多个重要国际学术会议包括 ACM CCS, NDSS, IEEE INFOCOM的程序委员会委员。


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