Title	A Review on Security and Privacy Issues and Challenges in Internet of Things
Author	Dhuha Khalid Alferidah and NZ Jhanjhi
Citation	Vol. 20  No. 4  pp. 263-286
Keywords	Internet of Things, IoT, IoT Systems, RFID, WSN, IoT Security Issues, IoT Security Attacks.

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	Design of E-mail Client Interaction (MCI) System for Representing Physical Movements through Gesture-initiated Pressing Operations
Author	Ziran Fan and Fujimoto Takayuki
Citation	Vol. 20  No. 4  pp. 251-257
Keywords	Interface Design, Interaction Design, Gesture, Smartphone Application, Email Client.

Title	A Hybrid Efficient Data Analytics Framework for Stroke Prediction
Author	Hosam Alhakami, Shouq Alraddadi, Shurug Alseady, Abdullah Baz, Tahani Alsubait
Citation	Vol. 20  No. 4  pp. 240-250
Keywords	Stroke Prediction Machine learning Data mining Big Data Risk factors Accuracy Clustering.