Title	Can I Guess Your Password? Examining Security Aspects of Graphical Passwords
Author	Tahani Alsubait, Raghad Alabdullatif
Citation	Vol. 20  No. 4  pp. 258-262
Keywords	Authentication, Security, image-based authentication, graphical passwords, user study

Title	Managing the Trade-off Between Usability and Security in Knowledge-Based Authentication
Author	Raghad Alabdullatif, Tahani Alsubait
Citation	Vol. 20  No. 4  pp. 175-181
Keywords	Security, Usability, Knowledge-based authentication, User study

Title	Towards Privacy-Preserving Knowledge-based Authentication: A Bayesian Network Approach
Author	Tahani Alsubait
Citation	Vol. 20  No. 4  pp. 163-167
Keywords	Privacy, Security, Knowledge-based authentication, Bayesian networks

Title	A Secure and Robust Mobile Payment System
Author	Abdullah Fahad Althumairy, Mohammed Al Shehri and Shaik Shakeel Ahamad
Citation	Vol. 20  No. 4  pp. 51-54
Keywords	Secure Mobile Payments, Key Management, confidentiality, authentication, Integrity, Replay attacks, impersonation attacks and Man-In-The-Middle attack