• Article  

      On supporting security and privacy-preserving interaction through adaptive usable security 

      Belk, Marios; Fidas, Christos A.; Germanakos, Panagiotis; Samaras, George S. (2014)
      The purpose of this paper is to propose a preliminary framework for supporting usable security on the World Wide Web through adaptivity in user interface designs. In particular we elaborate the concept of "Adaptive Usable ...
    • Conference Object  

      Privacy-preserving asymptotic average consensus 

      Manitara, N. E.; Hadjicostis, Christoforos N. (2013)
      In this paper, we develop and analyze a distributed privacy-preserving average consensus algorithm that enables all of the components of a distributed system, each with some initial value, to asymptotically reach average ...
    • Conference Object  

      Privacy-preserving indoor localization on smartphones 

      Konstantinidis, Andreas; Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D.; Mpeis, P.; Pelekis, N.; Theodoridis, Y. (Institute of Electrical and Electronics Engineers Inc., 2016)
      Predominant smartphone OS localization subsystems currently rely on server-side localization processes, allowing the service provider to know the location of a user at all times. In this paper, we propose an innovative ...
    • Article  

      Type checking purpose-based privacy policies in the π-calculus 

      Kokkinofta, E.; Philippou, Anna (2016)
      In this paper we propose a formal framework for studying privacy preserving policies based on the notion of purpose. Our framework employs the π-calculus with groups accompanied by a type system for capturing privacy ...