{"126691":{"#nid":"126691","#data":{"type":"event","title":"Ph.D. Defense of Dissertation:  Danesh Irani","body":[{"value":"\u003Cp\u003ETitle: \u003Cstrong\u003ESecuring Online Communities against Evolving Denial of Information Attacks\u003C\/strong\u003E\u003Cbr \/\u003E\u003Cbr \/\u003EDanesh Irani \u0026lt;danesh@cc.gatech.edu\u0026gt;\u003Cbr \/\u003ESchool of Computer Science\u003Cbr \/\u003ECollege of Computing\u003Cbr \/\u003EGeorgia Institute of Technology\u003Cbr \/\u003E\u003Ca href=\u0022http:\/\/www.cc.gatech.edu\/~danesh\/\u0022 title=\u0022http:\/\/www.cc.gatech.edu\/~danesh\/\u0022\u003Ehttp:\/\/www.cc.gatech.edu\/~danesh\/\u003C\/a\u003E\u003Cbr \/\u003E\u003Cbr \/\u003EDate:\u0026nbsp;\u0026nbsp; \u0026nbsp;\u0026nbsp;\u0026nbsp; \u0026nbsp;May 8th, 2012\u003Cbr \/\u003ETime:\u0026nbsp;\u0026nbsp; \u0026nbsp;\u0026nbsp;\u0026nbsp; \u0026nbsp;12pm-2pm EST\u003Cbr \/\u003ELocation:\u0026nbsp;\u0026nbsp; \u0026nbsp;KACB 3402\u003Cbr \/\u003E\u003Cbr \/\u003E\u003Cstrong\u003ECommittee:\u003C\/strong\u003E\u003C\/p\u003E\u003Cul\u003E\u003Cli\u003EDr. Calton Pu (Advisor, Professor and John P. Imlay Jr. Chair in Software, School of Computer Science, Georgia Institute of Technology)\u003C\/li\u003E\u003Cli\u003EDr. Mustaque Ahamad (Professor, School of Computer Science, Georgia Institute of Technology)\u003C\/li\u003E\u003Cli\u003EDr. Jonathon Giffin (Assistant Professor, School of Computer Science, Georgia Institute of Technology)\u003C\/li\u003E\u003Cli\u003EDr. Ling Liu (Professor, School of Computer Science, Georgia Institute of Technology)\u003C\/li\u003E\u003Cli\u003EDr. Kang Li (Associate Professor, Department of Computer Science, University of Georgia)\u003C\/li\u003E\u003C\/ul\u003E\u003Cp\u003E\u003Cbr \/\u003E\u003Cstrong\u003EAbstract:\u003C\/strong\u003E\u003Cbr \/\u003E\u0026nbsp;\u0026nbsp;\u0026nbsp; Online communities are growing at a phenomenal rate.\u0026nbsp; With the large number of users these communities contain, attackers are attracted to try and abuse them.\u0026nbsp; Although there are many different ways to abuse them, one of the hardest to secure against is a Denial of Information (DoI) attack.\u0026nbsp; A Denial of Information attack involves flooding a system with low-quality information, detracting from the usefulness of the online community.\u0026nbsp; In extreme cases, DoI attacks make communities unusable due to the high amounts of low-quality information, leading to an analogue of a Denial of Service (DoS) attack.\u003Cbr \/\u003E\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp; In my dissertation, I introduce techniques for detection of evolving DoI attacks in online communities using meta-model classification and information unification approaches.\u0026nbsp; I apply insights gained from analysis of the evolution of an arms-race to measure the resilience of our approaches to adaptations by attackers.\u003Cbr \/\u003E\u0026nbsp;\u0026nbsp;\u0026nbsp; My meta-model classification approach involves classifying the \u0022connected payload\u0022 associated with the information and using the classification result for the determination.\u0026nbsp; This approach allows for detection of DoI attacks in emerging domains where the amount of information may be constrained.\u0026nbsp; My information unification approach allows for detection of DoI attacks that previously could not be detected.\u0026nbsp; Unifying information across domains provides multiple sources for a single piece of information as well as additional pieces of information specific to each domain.\u0026nbsp; Using this we then identify previously undetectable DoI attacks in the unified information.\u003C\/p\u003E","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Securing Online Communities against Evolving Denial of Information Attacks"}],"uid":"1","created_gmt":"2012-04-27 09:16:27","changed_gmt":"2016-10-08 01:58:49","author":"Jupiter","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2012-05-08T13:00:00-04:00","event_time_end":"2012-05-08T15:00:00-04:00","event_time_end_last":"2012-05-08T15:00:00-04:00","gmt_time_start":"2012-05-08 17:00:00","gmt_time_end":"2012-05-08 19:00:00","gmt_time_end_last":"2012-05-08 19:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"47223","name":"College of Computing"},{"id":"50875","name":"School of Computer Science"}],"categories":[],"keywords":[],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003E\u003Ca href=\u0022mailto:danesh@cc.gatech.edu\u0022\u003EDanesh Irani\u003C\/a\u003E\u003C\/p\u003E","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}