This book constitutes the proceedings of the Third International Conference on Human Aspects of
Information Security Privacy and Trust HAS 2015 held as part of the 17th International
Conference on Human-Computer Interaction HCII 2015 held in Los Angeles CA USA in August
2015 and received a total of 4843 submissions of which 1462 papers and 246 posters were
accepted for publication after a careful reviewing process. These papers address the latest
research and development efforts and highlight the human aspects of design and use of computing
systems. The papers thoroughly cover the entire field of Human-Computer Interaction addressing
major advances in knowledge and effective use of computers in a variety of application areas.
The 62 papers presented in the HAS 2015 proceedings are organized in topical sections as
follows: authentication cybersecurity privacy security and user behavior security in
social media and smart technologies and security technologies.
