• Conference Object  

      Influences of users' cognitive strategies on graphical password composition 

      Katsini, Christina P.; Fidas, Christos A.; Belk, Marios; Avouris, Nikolaos M.; Samaras, George S. (Association for Computing Machinery, 2017)
      Recent research reveals interaction effects among human cognitive processing factors, interaction device types and user authentication schemes towards security of user created graphical keys. Aiming to investigate how ...
    • Conference Object  

      Security and usability in knowledge-based user authentication: A review 

      Katsini, Christina P.; Belk, Marios; Fidas, Christos A.; Avouris, Nikolaos M.; Samaras, George S. (Association for Computing Machinery, 2016)
      This paper presents a comprehensive review of state-of-the-art research works in knowledge-based user authentication, covering the security and usability aspects of the most prominent user authentication schemes