About Us

Dr. Osama Ahmed Khashan

Associate Researcher/ Associate Professor

Dr. Osama Khashan is an Associate Professor and Associate Researcher at Rabdan Academy, boasting a prestigious academic and research career spanning over 15 years. His extensive expertise spans a multitude of domains, encompassing information security, cyber security, blockchain, cryptography, IoT, cloud computing, and machine learning. This expertise is manifested in his authored book, patents, peer-reviewed journal articles, conference papers, and active participation in a number of scientific projects.

Prior to his current role, Dr. Khashan served as both an Assistant Professor and Associate Professor at Saudi Electronic University from 2015 to 2021. He also held Lecturer positions at Al Jouf University and Prince Sattam bin Abdulaziz University between 2008 and 2012. Besides his academic and research pursuits, he holds numerous professional certifications in cybersecurity, cloud, database, and programming. Furthermore, he actively contributes as a reviewer for various esteemed scientific journals, and has supervised many bachelor's and master's students in their academic and research journeys.


    Doctor of Philosophy in Cyber Security, National University of Malaysia, 2015.

    Master degree in Information Technology, Utara University Malaysia, 2008.

    Bachelor degree in Computer Science, 2005.

Teaching Areas

    • Information Security
    • Cyber Security
    • Data Analytics

Research Interests

    • Cyber Security, IoT, WSN, and Cloud Security
    • Cryptography
    • Blockchain
    • Machine Learning, and Image Processing


    Alomoush, W., Khashan, O. A., Alrosan, A., Attar, H. H., Almomani, A., Alhosban, F., & Makhadmeh, S. N. (2023). Digital image watermarking using discrete cosine transformation based linear modulation. Journal of Cloud Computing, 12(1), 1-17.

    Mashal, I., Khashan, O. A., Hijjawi, M., & Alshinwan, M. (2023). The determinants of reliable smart grid from experts’ perspective. Energy Informatics, 6(1), 1-23.

    Sufyan, A., Khan, K. B., Khashan, O. A., Mir, T., & Mir, U. (2023). From 5G to beyond 5G: A Comprehensive Survey of Wireless Network Evolution, Challenges, and Promising Technologies. Electronics, 12(10), 2200.

    Hijjawi, M., Alshinwan, M., Khashan, O. A., Alshdaifat, M., Almanaseer, W., Alomoush, W., ... & Abualigah, L. (2023). Accelerated Arithmetic Optimization Algorithm by Cuckoo Search for Solving Engineering Design Problems. Processes, 11(5), 1380.

    Farfoura, M. E., Khashan, O. A., Omar, H., Alshamaila, Y., Karim, N. A., Tseng, H. T., & Alshinwan, M. A Fragile Watermarking Method for Content-Authentication of H. 264-AVC Video. Journal of Internet Services and Information Security. 13(2), 211 – 232.

    Khashan, O. A., Khafajah, N. M., Alomoush, W., Alshinwan, M., Alamri, S., Atawneh, S., & Alsmadi, M. K. (2023). Dynamic Multimedia Encryption Using a Parallel File System Based on Multi-Core Processors. Cryptography, 7(1), 12.

    Khashan, O. A., Alamri, S., Alomoush, W., Alsmadi, M. K., Atawneh, S., & Mir, U. (2023). Blockchain-Based Decentralized Authentication Model for IoT-Based E-Learning and Educational Environments. Computers, Materials & Continua, 75(2).

    Khashan, O. A., & Khafajah, N. M. (2023). Efficient hybrid centralized and blockchain-based authentication architecture for heterogeneous IoT systems. Journal of King Saud University-Computer and Information Sciences, 35(2), 726-739.

    Hijjawi, M., Shinwan, M., Qutqut, M., Alomoush, W., Khashan, O., Alshdaifat, M., ... & Abualigah, L. (2023). Improved flat mobile core network architecture for 5G mobile communication systems. International Journal of Data and Network Science, 7(3), 1421-1434.

    Alomoush, W., Khashan, O. A., Alrosan, A., Houssein, E. H., Attar, H., Alweshah, M., & Alhosban, F. (2022). Fuzzy Clustering Algorithm Based on Improved Global Best-Guided Artificial Bee Colony with New Search Probability Model for Image Segmentation. Sensors, 22(22), 8956.

    Alomoush, W., Alrosan, A., Almomani, A., Alissa, K., Khashan, O. A., & Al-Nawasrah, A. (2021). Spatial information of fuzzy clustering based mean best artificial bee colony algorithm for phantom brain image segmentation. International Journal of Electrical and Computer Engineering (IJECE), 11(5), 4050-4058.

    Khashan, O. A., Ahmad, R., & Khafajah, N. M. (2021). An automated lightweight encryption scheme for secure and energy-efficient communication in wireless sensor networks. Ad Hoc Networks, 115, 102448.

    Khashan, O. A. (2021, January). Parallel proxy re-encryption workload distribution for efficient big data sharing in cloud computing. In 2021 IEEE 11th Annual Computing and Communication Workshop and Conference (CCWC) (pp. 0554-0559). IEEE.

    Khashan, O. A. (2020). Secure outsourcing and sharing of cloud data using a user-side encrypted file system. IEEE Access, 8, 210855-210867.

    Khashan, O. A., & AlShaikh, M. (2020). Edge-based lightweight selective encryption scheme for digital medical images. Multimedia Tools and Applications, 79(35-36), 26369-26388.

    Medileh, S., Laouid, A., Euler, R., Bounceur, A., Hammoudeh, M., AlShaikh, M., ... & Khashan, O. A. (2020). A flexible encryption technique for the internet of things environment. Ad Hoc Networks, 106, 102240.

    Khashan, O. A. (2020). Hybrid lightweight proxy re-encryption scheme for secure fog-to-things environment. IEEE Access, 8, 66878-66887.

    Khashan, O. A., & Khafajah, N. M. (2018). Secure Stored Images Using Transparent Crypto Filter Driver. Int. J. Netw. Secur., 20(6), 1053-1060.

    Khashan, O. A., Zin, A. M., & Sundararajan, E. A. (2015). ImgFS: a transparent cryptography for stored images using a filesystem in userspace. Frontiers of Information Technology & Electronic Engineering, 16(1), 28-42.

    Khashan, O. A., Zin, A. M., & Sundararajan, E. A. (2014). Performance study of selective encryption in comparison to full encryption for still visual images. Journal of Zhejiang University SCIENCE C, 15(6), 435-444.

    Khashan, O. A., Zin, A. M., & Sundararajan, E. (2014). An optimized parallel encryption for storing image files using filesystem in userspace. International Journal of Advancements in Computing Technology, 6(2), 126.

    Khafajah, N. M., Seman, K., & Khashan, O. A. (2014). Enhancing the adaptivity of encryption for storage electronic documents. Int. J. Tech. Res. Appl, 2, 28-32.

    Khashan, O. A., & Zin, A. M. (2013). An efficient adaptive of transparent spatial digital image encryption. Procedia technology, 11, 288-297.

Dr. Osama Ahmed Khashan
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