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  • Take control over your SMSes : a real-world evaluation of a mobile-based spam SMS filtering system 
    Yadav, Kuldeep; Malhotra, Anshu; Kumaraguru, Ponnurangam; Khurana, Rushil; Singh, Dipesh Kumar (2012-07-25)
    In developing countries, Short Messaging Service (SMS) is one of the most widely used and cheapest modes of commu- nication. Hence, this medium is often exploited by advertis- ing companies to reach masses. The unsolicited ...
  • Rebound attachs on GRφSTL 
    Kochar, Komal; Sanadhya, Somitra Kumar (Advisor) (2012-07-25)
    Cryptographic hash Functions are widely used for a wide range of applications such as au- thentication of information, digital signatures and protection of pass-phrases. In the last few years, the cryptanalysis of hash ...
  • MobiShare : cloud-enabled opportunistic content sharing among mobile peers 
    Yadav, Kuldeep; Naik, Vinayak; Singh, Amarjeet (2012-10-12)
    In developing countries, smartphones and high bandwidth connections are not yet within the reach of majority of the people. To share multimedia content among themselves, people rely on manual local sharing mechanisms i.e. ...
  • Robust and traffic analysis resistant cloud file system 
    Gupta, Madhvi; Nagaraja, Shishir (Advisor) (2012-10-17)
    With improved technology, every user now generates huge amount of data that requires ever increasing amount of space to store it. It is not economical for the users to purchase new storage device every time. As a remedy ...
  • WhACKY! - what anyone could know about you from twitter 
    Correa, Denzil; Sureka, Ashish (Advisor) (2013-02-06)
    Twitter is a popular micro-blogging website which allows users to post 140-character limit mes- sages called tweets. Twitter users (also called Twitterers) post activity messages about their daily lives, opinions on ...
  • Contextual feature based one-class classifier approach for detecting video response spam on YouTube 
    Chaudhary, Vidushi; Sureka, Ashish (Advisor) (2013-03-26)
    YouTube is one of the largest video sharing websites (with social networking features) on the Internet. The immense popularity of YouTube, anonymity and low publication barrier has resulted in several forms of misuse and ...
  • Detecting copyright infringement on YouTube videos using YouTube metadata 
    Agrawal, Swati; Sureka, Ashish (Advisor) (2013-04-08)
    YouTube is one of the largest video sharing website on the Internet. Several music and record companies, artists and bands have o cial channels on YouTube (part of the music ecosystem of YouTube) to promote and monetize ...
  • Location privacy in MobiShare 
    Soubam, Sonia; Naik, Vinayak (Advisor) (2013-05-30)
    This work focuses on providing privacy in MobiShare, which is a location-based service that assists users in searching and sharing files. A user’s mobility profile is summarization of its raw mobility data in terms of ...
  • Biclique cryptanalysis of full round AES with reduced data complexity 
    Chang, Donghoon; Ghosh, Mohona; Sanadhya, Somitra Kumar (2013-05-31)
    Biclique cryptanalysis was proposed by Bogdanov et al. in Asiacrypt 2011 as a new tool for cryptanalysis of block ciphers. A major hurdle in carrying out biclique cryptanalysis is that it has a very high query complexity ...
  • Provably secure authenticated encryption modes 
    Manjunath, R Sumesh; Sanadhya, Somitra Kumar (Advisor) (2013-06-10)
    Privacy of the message and authenticity of the sender in a secure communication is a challenging concern. Tradionally these two aims were achieved by using di erent cryptographic primitives: by using encryption for privacy ...
  • DirectShare : a fast and secure peer to peer file sharing protocol 
    Jati, Arpan; Sanadhya, Somitra Kumar (Advisor) (2013-07-09)
    Many Peer to Peer (P2P) protocols and applications have become popular in the recent years and P2P accounts for a very large portion of the internet traffic. But, most protocols are designed with speed and efficiency in ...
  • Secure design and instantiation of trapdoor-less truncated hash functions 
    Bansal, Tarun Kumar; Sanadhya, Somitra Kumar (Advisor) (2013-07-11)
    In this work, we throw light on gaps between theoretical construction of cryptographic primitives and their practical instantiation. It is assumed that cryptographic primitives will not have any trapdoors in the given ...
  • Protecting android devices following BYOD policy against data security and privacy attacks 
    Jindal, Arun Kumar; Naik, Vinayak (Advisor) (2013-07-15)
    Bring Your Own Device (BYOD) is an IT policy being adopted by corporate organizations worldwide. It permits the employees to bring their own devices like smartphones, tablets, etc to their place of work and use them to ...
  • Characterizing mobility patterns of people in developing countries using their mobile phone data 
    Yadav, Kuldeep; Kumar, Amit; Bharti, Aparna; Naik, Vinayak (2013-10-10)
    Location data collected from mobile phone users provide an ideal platform to generate human mobility patterns. These patterns give us insights into how people travel in their dayto- day lives.With availability of cellular ...
  • PhishAri : automatic realtime phishing detection on Twitter 
    Aggarwal, Anupama; Kumaraguru, Ponnurangam (Advisor) (2013-10-11)
    With the advent of online social media, phishers have started using social networks like Twitter, Facebook, and Foursquare to spread phishing scams. Twitter is an immensely popular micro- blogging network where people ...
  • Android phone based appraisal of app behavior on cell networks 
    Gupta, Shaifali; Garg, Rashi; Jain, Nikita; Naik, Vinayak; Kaul, Sanjit Krishnan (2013-10-31)
    The rapid adoption of smartphones has engendered a large ecosystem of mobile data applications. In fact, a large part of mobile tra c is now data and not voice. Many of these applications, for example VoIP clients, stay ...
  • Geographical visualization approach to perceive spatial scan statistics : an analysis of dengue fever outbreaks in Delhi 
    Mala, Shuchi; Sengupta, Raja (Advisor) (2013-11-25)
    In India, there is a strong need of a nation-wide disease surveillance system. As of now there are very few surveillance systems in India to detect disease outbreaks. IDSP (Integrated Disease Surveillance Project) was ...
  • OCEAN: open-source collation of eGovernment data and networks 
    Gupta, Srishti; Kumaraguru, Ponnurangam (Advisor) (2013-12-03)
    The awareness and sense of privacy has increased in the minds of people over the past few years. Earlier, people were not very restrictive in sharing their personal information, but now they are more cautious in sharing ...
  • Geo-localization and location-aware opportunistic communication for mobile phones 
    Yadav, Kuldeep; Naik, Vinayak (Advisor); Singh, Pushpendra (Advisor); Singh, Amarjeet (Advisor) (2014-01-21)
    Location-based mobile applications are steadily gaining popularity across the world. These applications require information about user's current location to access different kind of services. However, location-based ...
  • MIMANSA : process mining software repositories from student projects in an undergraduate software engineering course 
    Mittal, Megha; Sureka, Ashish (Advisor) (2014-01-24)
    An undergraduate level Software Engineering course generally consists of a team-based semester long project and emphasizes on both technical and managerial skills. Software Engineering is a practice-oriented and applied ...

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