Abstract-Mobile devices such as smartphones and tablets are becoming increasing popular among students, setting out a new way to communicate, collaborate and learn. The use of portable devices has the capability to inspire new approaches to learning. It is therefore important to examine the students" viewpoints about the educational use of mobile technology in supporting the learning process. The purpose of this study is to determine the impact of mobile devices for learning purposes by exploring the kinds of interactions that students in Nigerian universities have with their portable gadgets. A sample of 240 higher education students participated in the study by completing the researchers" questionnaire. The results of the study indicate the students use their portable devices to exchange education-related messages and academic files with classmates, search the internet and library databases for academic materials, practice online quizzes or tests and hold discussions with classmates among others. The statistical analyses result show that there is no significant difference in the students" use of mobile devices based on gender.

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Abstract-Innovation in learning technologies and services is driven by demands from Higher Educational Institutions (HEIs) in order to meet students' needs and make knowledge delivery easier. The technology could play a pivotal role in extending the possibilities for teaching, learning, and research in educational institutions. M-learning emerged from this innovation as a result of an unprecedented explosion in the number of mobile devices due to availability and affordability of mobile phones, smartphones and tablets among students. Competition in the mobile device industry is also encouraging developers to be innovative, constantly striving to introduce new features. Consequently, newer sources of risks are being introduced in the mobile computing paradigm at manufacturing level. Similarly, many m-learning promoters and developers focus on developing and delivering learning content and infrastructure for m-learning system without adequate consideration for security of stakeholders' data, whereas the use of these mobile technologies for learning poses a serious threat to confidentiality, integrity and privacy of those involved in teaching and learning, yet traditional security threats are also evolving. Against this backdrop, the stakeholders in education sector (i.e. education providers, educators, m-learning promoters and developers) should begin to consider the security implications of these devices in modern teaching and learning environments. The purpose of this paper is to identify the m-learning security issues that stakeholders may face, how they are being affected by these security threats, who among the stakeholders are affected or most affected by security issues in m-learning using three Nigeria universities as case studies and what are the responsibilities of the stakeholders in ensuring risk free m-learning.

The use of mobile devices as learning aids is increasing due to availability and affordability of mobile phones, smartphones and tablets among students. Many learners use their handheld devices not only for calling and texting, but also for educational purposes. Some promoters and developers of mobile learning in universities are developing and delivering learning content and instructions on mobile devices without adequate consideration for security of stakeholders' data, whereas the use of these mobile technologies for learning poses a serious threat to confidentiality, integrity and privacy of those involved in learning delivery, including the students. This paper discusses the security concerns of mobile learning from the learner's perspective based on a study conducted in higher education institutions in Nigeria. The study identified the security threats that learners may face when using mobile devices for educational purposes and examined the perceived damaging effects of mobile learning on students in cases there is a security breach. This paper concludes with recommendations for alleviating the security threats.