Research Interests

  • Privacy
  • Security
  • Access Control
  • Social Networks
  • Big Data
  • Collaborative Systems
  • Distributed Systems
  • Crypto-assets
  • Formal Methods

Project Involvements

  • Crypto-asset fraud taxonomy (2023-2026)
    I am co-leader of this project funded by LUE (Lorraine Université d'Excellence).

  • Publishing Attributed Social Graphs Using Differential Privacy (2022-2023)
    I am leader of this project funded by LUE (Lorraine Université d'Excellence).

  • Privacy-Preserving Big Data Management and Analytics in Distributed Environments (2021-2024)
    I am leader of this project funded by LUE (Lorraine Université d'Excellence).

  • Sensitive Data Protection in Online Social Networks (2018-2021)
    I am leader of this project funded by LUE (Lorraine Université d'Excellence).

  • User-Centric Privacy Control for Online Social Networks (2017-2018)
    I am leader of this project funded by CISCO (San Jose, USA) for a post-doc position.

  • Protection de l'Information Personnelle sur les Réseau Sociaux (2015-2018)
    I am leader of this project funded by Fondation MAIF.

  • ARC ACCESS - Access Control Policies for XML (2010-2012)
    Member in this project.

  • ANR STREAMS - Solutions for P2P Real-time Social Web (2010-2014)
    Member in this project.

  • ARC RECALL - Réplication optimiste pour l'Édition CoLLaborative massive sur réseau P2P (2006-2007)
    Member in this project. The goal of the RECALL project is the development of optimistic replication algorithms for supporting massive collaborative editing.

  • ARA COPS - Composition Of Policies and Services (2006-2008)
    Member in this project. The aim of this project was to build technologies enabling the security analysis of web services that take into account the potential flaws at communication level, at the access policy level or at the interface between communications and access policy.

PostDoc Advising

  • Sourya Joyee De. User-Centric Privacy Control for Online Social Networks (2017-2019)

  • Kamal Macwan. Publishing Attributed Social Graphs Using Differential Privacy (2022-2023)


PhD Students Co-Advising


Master 2 Research Advising

  • Asma Cherif. Dynamic Access Control for Collaborative Editors (2007-2008)

  • Zeeshan Ahmad. Safe and Efficient Strategies for Updating Firewall Policies (2008-2009)

  • Jagdish Prasad Achara. Security Framework for Decentralized Shared Calendar (2010-2011)

  • Wail Nidal Zellagui. Detection of Frauds on Cryptocurrencies (2022-2023)

  • Isabella Van-Der Laan. Classification of fraud in cryptocurrencies (2022-2023)