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Ahmad, A., Hassan, M.M., Aziz, A..  2014.  A Multi-token Authorization Strategy for Secure Mobile Cloud Computing. Mobile Cloud Computing, Services, and Engineering (MobileCloud), 2014 2nd IEEE International Conference on. :136-141.

Cloud computing is an emerging paradigm shifting the shape of computing models from being a technology to a utility. However, security, privacy and trust are amongst the issues that can subvert the benefits and hence wide deployment of cloud computing. With the introduction of omnipresent mobile-based clients, the ubiquity of the model increases, suggesting a still higher integration in life. Nonetheless, the security issues rise to a higher degree as well. The constrained input methods for credentials and the vulnerable wireless communication links are among factors giving rise to serious security issues. To strengthen the access control of cloud resources, organizations now commonly acquire Identity Management Systems (IdM). This paper presents that the most popular IdM, namely OAuth, working in scope of Mobile Cloud Computing has many weaknesses in authorization architecture. In particular, authors find two major issues in current IdM. First, if the IdM System is compromised through malicious code, it allows a hacker to get authorization of all the protected resources hosted on a cloud. Second, all the communication links among client, cloud and IdM carries complete authorization token, that can allow hacker, through traffic interception at any communication link, an illegitimate access of protected resources. We also suggest a solution to the reported problems, and justify our arguments with experimentation and mathematical modeling.

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Azahari, A. M., Ahmad, A., Rahayu, S. B., Halip, M. H. Mohamed.  2020.  CheckMyCode: Assignment Submission System with Cloud-Based Java Compiler. 2020 8th International Conference on Information Technology and Multimedia (ICIMU). :343–347.
Learning programming language of Java is a basic part of the Computer Science and Engineering curriculum. Specific Java compiler is a requirement for writing and convert the writing code to executable format. However, some local installed Java compiler is suffering from compatibility, portability and storage space issues. These issues sometimes affect student-learning interest and slow down the learning process. This paper is directed toward the solution for such problems, which offers a new programming assignment submission system with cloud-based Java compiler and is known as CheckMyCode. Leveraging cloud-computing technology in terms of its availability, prevalence and affordability, CheckMyCode implements Java cloud-based programming compiler as a part of the assignment management system. CheckMyCode system is a cloud-based system that allows both main users, which are a lecturer and student to access the system via a browser on PC or smart devices. Modules of submission assignment system with cloud compiler allow lecturer and student to manage Java programming task in one platform. A framework, system module, main user and feature of CheckMyCode are presented. Also, taking into account are the future study/direction and new enhancement of CheckMyCode.