Title	Modeling and Simulation of the Photocatalytic Treatment of Wastewater using Natural Bauxite and TiO2 doped by Quantum Dots
Author	Nidhal Becheikh, Aboulbaba Eladeb, Nejib Ghazouani
Citation	Vol. 22  No. 6  pp. 91-96
Keywords	Modeling, Simulation, Photocatalytic reaction, Microreactor, Micro-agitation.

Title	An Intelligent Machine Learning Inspired Optimization Algorithm to Enhance Secured Data Transmission in IoT Cloud Ecosystem
Author	Sreejyothsna Ankam and Dr.N.Sudhakar Reddy
Citation	Vol. 22  No. 6  pp. 83-90
Keywords	Security, Cloud Computing, Cloud-IoT ecosystem, Optimization

Title	A Systematic Literature Review on Security Challenges In Image Encryption Algorithms for Medical Images
Author	Nora Almalki and Hatim Alsuwat
Citation	Vol. 22  No. 6  pp. 75-82
Keywords	Medical Image , Encryption , Steganography.

Title	Distributed Denial of Service Defense on Cloud Computing Based on Network Intrusion Detection System: Survey
Author	Esraa Samkari and Hatim Alsuwat
Citation	Vol. 22  No. 6  pp. 67-74
Keywords	DDoS, DoS, cloud computing attack, network intrusion detection, system detection.