2008

  • Meghna Lowalekar, Ritesh Kumar Tiwari, Kamalakar Karlapalem, Security Policy Satisfiability and Failure Resilience in Workflows, The Future of Identity in the Information Society - Challenges for Privacy and Security FIDIS/IFIP Internet Security & Privacy Summer School, Brno, Czech Republic, [Sep. 2008]


    • 2007

  • Ritesh Kumar Tiwari, Vishal Dwivedi, Kamalakar Karlapalem, SLA Driven Process Security through Monitored E-contracts, IEEE International Conference on Services Computing (SCC 2007), Salt Lake City, Utah, USA. [July 2007].
    ( IEEE Best Student Paper Award )

  • Ananda Swarup Das, Kannan Srinathan, Ritesh Kumar Tiwari, Vaibhav Srivastava, Privacy Preserving Computation of Shortest Path in Presence of a Single Convex Polygonal Obstacle, International Workshop on Privacy-Aware Location-based Mobile Services, IEEE International Conference on Mobile Data Management, Mannheim, Germany [May 2007]


    • 2005

  • Ritesh Kumar Tiwari, Kamalakar Karlapalem, Cost Based Tradeoffs for Information Security Assurance, Fourth International Workshop on Economics of Information Security (WEIS-05), Harvard University, Boston, USA. [June-2005]

  • Ritesh Kumar Tiwari, Fair Non Repudiation in Mobile Communication using Joint Signatures, IEEE International Conference on Personal Wireless Communication, Delhi, India [Jan-2005]


    • 2004

  • Ritesh Kumar Tiwari, Application of Formal Methods for Analysis of Authentication Protocols, Springer-Verlag Lecture Notes in Computer Science, Vol.-3326, International Workshop on Distributed Computing - 2004, India. [Dec-2004 ]


    • 2003

  • Ritesh Kumar Tiwari, Formal Approach for Designing Distributed Denial of Service attack Resistant Protocols, International Conference on Number Theory for Secure Communications, Kumbakonam, India [Dec-2003].

  • Ritesh Kumar Tiwari, A New Fair Non-Repudiation Protocol, International Conference on Information Technology, CIT-2003, Bhubneshwar, India [Dec-2003].

    • 2002

  • Ritesh Kumar Tiwari, P.K.Chande, A New Architecture for Tracing Attackers in Distributed Reflective Denial of Service Attacks, International Conference on Information Technology (CIT2002), Bhubneshwar, India. [Dec-2002].

  • Ritesh Kumar Tiwari, A New Architecture for Key Agreement in Dynamic Peer Groups, Asia-Pacific Conference on Emerging Internet Technologies, (APRICOT-2002) Bangkok (Thailand). [Mar-2002].


    • 2000

  • Ritesh Kumar Tiwari, Echecks: Concept & Implementation, Computer Society of India XXXVth Annual Convention, Chennai, India. [Sep-2000].
    (CSI Best student paper Award )