Dr. Mahmoud Abdelgadir Khalifa Abdellah Assistant Professor, Computer Science and AI Department University of Bisha, CCIT, Building 18, Office: 212, Email: mkhalifa@ub.edu.sa Education: PHD COMPUTER ENGINEERING -UNIVERSITY OF SIENCE AND TECHNOLOGY BEIJIN (CHINA) 2007-2011. MSC COMPUTER ENGINEERING AND NETWORK-UNIVERSITY OF GEZIRA(SUDAN) 2002-2005 BSC TELECOMMUNICATION ENGINEERING UNIVERSITY OF GEZIRA(SUDAN) 1994-2000 Academic experience: Assistant Professor University of Bisha College of Computing and Information Technology 01/1/2018 till now Assistant Professor University of Bisha Art and Science 10/12/2017 to 01/1/2018 Assistant Professor Almanara College of University Almanara 1/9/2015 to 12/12/2016 Assistant Professor University of Almergib College of Science 20/12/2012 to 30/7/2015 Assistant Professor University of Kassala, College of Science and Information Technology /8/2016 to /2012 Lecturer - Gazira College of Technology- Department of Telecommunication 6/2003 to 6/2005 Lecturer collaborator -Upper Nile University Center for computer science 5/3/2002 to 6/2004 and many more. Teaching Assistant - University of Gazira- Faculty of Engineering And Technology 1/2001 to 2003/ 5 Non-Academic Experience: 1- Local Society Stock Exchange System Design 2012 2- Shopping Cart System Design.2010 Certifications or Professional Registrations 1- Certifications in Windows NT in Sudatel Training Center-Sudan 2000 2- Network and Computer Installing and maintenance IMAM Institute - Gazira University 2001/1 3- Best Head of Electronic and Telecommunication department at Gezira College of technology2004. 4- Best Head of information system department faculty of CCSIT , University of Kassala -2006. 5- Member of Computer Center Initiater and Manager, University of Kassala –SUDAN 2011 6- Quality monitor for department of Computer science program University of Almergib ,Alkhoms-Lybia 2013 7- Head of Information Tecnology department ,Almanara Colledge,SUDAN- 2015 Current Membership in Professional Organizations • IEEE SA’s 2022 • Head of Elearning and Distance learning Unit, College of Computing and Information Technology, Bisha University, KSA-2018 to 2022 Honors and Awards N/A Service activities (within and outside of the institution) • Member of Renewable Energy unit Sudan • Workshop of Electronic course design tools. • Presentation of how to use Mind map software in E learning courses design and implementation. Most Important Publications and presentations (Past five years) • Mahmoud Khalifa, FahadAlgarni,Mohammad Ayoub Khan, Azmat, A lightweight cryptography (LWC) framework to secure memory heap in Internet of Things Alexandria, Engineering Journal, Ullah,Khalid Aloufic, https://doi.org/10.1016/j.aej.2020.11.00, USA, 2020/11/20 • Bahaeldein Elhussein, Mahmoud Khalifa, Abdelrahman Elsharif Karrar, Mohammed Mujib Alsharani, A Client-Side App Model for Classifying and Storing Documents, IJCSNS International Journal of Computer Science and Network Security, VOL.22 No.5,2022 International Journal of Computer Science and Network Security, VOL.22. IJCSNS KORIA 5, May 2022. • Mahmoud Khalifa, MA Khan, MT Quasim, MZ Khan, KU Nisha , Reliable IPS model for eLCMS Service and Files Protection, 2024 9th South-East Europe Design Automation, Computer Engineering, Computer Networks and Social Media Conference (SEEDA-CECNSM). • Mohammad Zunnun Khan, Khair Ul Nisa, Mohammad Tabrez Quasim, Mahmoud Abdelgadir Khalifa, Mohammad Mufareh Mobarak, Cloud-based Data Protection: A Framework for Authorizing Data Movement 2024/4/18, Conference, 2024 International Conference on Expert Clouds and Applications (ICOECA). • Ali OsmanMohammedSalih1*, AlwalidBashierGismElseedAhmed2,HatimMohamed Ahmed Osman3, Mahmoud Khalifa4, Ali Siddig Ali Ahmed5, Nissrein Babiker Mohammed Babiker6 Fatima Rayan Awad Ahmed7, ENHANCING ACONTEXT-BASED SUPERVISE DMACHINE LEARNING MODEL FOR ACCURATE DISAMBIGUATION OF ENGLISHPOLYSEMOUSWORD SENSES, 2025/12/18 , SCIENTIFICCULTURE Volume 11 Issue No.4,(2025) Pages 4,(2025),pp. Publisher,OpenAccess.Online&Print. • Deepfake Audio Detection in Voice Authentication: A Spectral and CNN-Based Comprehensive Review, Ali Osman Mohammed Salih, Abdelmajid Hassan Mansour Emam, Alwalid Bashier Gism Elseed Ahmed, Mahmoud Khalifa, Abdelrazig Suliman, Nissrein Babiker Mohammed Babiker, 2025/12/1 , Journal of Engineering, Technology & Applied Science Research journal, 15 Issue 6 Pages , 29824-29832. New Accepted papers (2026) : • A Deep Learning Approach for Plant Stress Classification Using Efficient NetB3 • A Hybrid CNN-LSTM Multimodal Framework for Early Detection of Sepsis Research Areas of Interest 1- AI – NLP- Image and Document pattern recognition 2- Iot 3- Smart City 4- Cybersecurity 5- Block chain Professional development activities (most recent) - ELearning Learning course design Expert - Gamification

• Mahmoud khalifa 2-Yng Bingru 3-Ammar altamemy Anovel Word based Arabic Hand Written recognition system using SVM Classifier-International Conference-ECWAC2011, 1- Mahmoud khalifa 2-Yng Bingru IEEE-China,Guangzhou 2011/4 • Mahmoud khalifa, 2-Yng Bingru Canadian A Hybrid Segmentation System of Offline Arabic Mathematical Expression, Journal on Image Processing and Computer Vision Journal, Vol 2..No.4, Canada 2011/4 • A robust SIFT feature for fast offline Arabic word classification. International Conference CASE2011 IEEEXplorer China, ShangHai 2011/6 • Mahmoud khalifa 2-Yng Bingru A Hybrid Segmentation System of Offline Arabic Mathematical Expression International Conference 1EEC2011, IEEE,ISTP China,ISI HuanShi 2011/7 • A.M. Al Tameemi, 2- L.ZHANG 3-M.KHALIFA Off-Line Arabic Words Classification using Multi-Set Features, Information Technology Journal 10 (9), 1754-1760 , Asian Science Citation Index Pakistan 2011/9 • M Khalifa, ENHANCED KERBEROS AUTHENTICATION FOR DISTRIBUTED ENVIRONMENT USING TWO PHASES SECURITY Compusoft Journal, 6 (4), 2323, Academia.edu, Scopus,India,2017/4 • Mahmoud Khalifa, FahadAlgarni,Mohammad Ayoub Khan, Azmat, A lightweight cryptography (LWC) framework to secure memory heap in Internet of Things Alexandria, Engineering Journal, Ullah,Khalid Aloufic, https://doi.org/10.1016/j.aej.2020.11.00, USA, 2020/11/20 • Bahaeldein Elhussein, Mahmoud Khalifa, Abdelrahman Elsharif Karrar, Mohammed Mujib Alsharani, A Client-Side App Model for Classifying and Storing Documents, IJCSNS International Journal of Computer Science and Network Security, VOL.22 No.5,2022 International Journal of Computer Science and Network Security, VOL.22. IJCSNS KORIA 5, May 2022. • Mahmoud Khalifa, MA Khan, MT Quasim, MZ Khan, KU Nisha , Reliable IPS model for eLCMS Service and Files Protection, 2024 9th South-East Europe Design Automation, Computer Engineering, Computer Networks and Social Media Conference (SEEDA-CECNSM). • Mohammad Zunnun Khan, Khair Ul Nisa, Mohammad Tabrez Quasim, Mahmoud Abdelgadir Khalifa, Mohammad Mufareh Mobarak, Cloud-based Data Protection: A Framework for Authorizing Data Movement 2024/4/18, Conference, 2024 International Conference on Expert Clouds and Applications (ICOECA). • Ali OsmanMohammedSalih1*, AlwalidBashierGismElseedAhmed2,HatimMohamed Ahmed Osman3, Mahmoud Khalifa4, Ali Siddig Ali Ahmed5, Nissrein Babiker Mohammed Babiker6 Fatima Rayan Awad Ahmed7, ENHANCING ACONTEXT-BASED SUPERVISE DMACHINE LEARNING MODEL FOR ACCURATE DISAMBIGUATION OF ENGLISHPOLYSEMOUSWORD SENSES, 2025/12/18 , SCIENTIFICCULTURE Volume 11 Issue No.4,(2025) Pages 4,(2025),pp. Publisher,OpenAccess.Online&Print. • Ali Osman Mohammed Salih, Abdelmajid Hassan Mansour Emam, Alwalid Bashier Gism Elseed Ahmed, Mahmoud Khalifa, Abdelrazig Suliman, Nissrein Babiker Mohammed Babiker, Deepfake Audio Detection in Voice Authentication: A Spectral and CNN-Based Comprehensive Review, , 2025/12/1 , Journal of Engineering, Technology & Applied Science Research journal, 15 Issue 6 Pages , 29824-29832. New Accepted papers (2026) : • A Deep Learning Approach for Plant Stress Classification Using Efficient NetB3 • A Hybrid CNN-LSTM Multimodal Framework for Early Detection of Sepsis

Assistant Professor University of Bisha College of Computing and Information Technology 01/1/2018 till now Assistant Professor University of Bisha Art and Science 10/12/2017 to 01/1/2018 Assistant Professor Almanara College of University Almanara 1/9/2015 to 12/12/2016 Assistant Professor University of Almergib College of Science 20/12/2012 to 30/7/2015 Assistant Professor University of Kassala, College of Science and Information Technology /8/2016 to /2012 Lecturer - Gazira College of Technology- Department of Telecommunication 6/2003 to 6/2005 Lecturer collaborator -Upper Nile University Center for computer science 5/3/2002 to 6/2004 and many more. Teaching Assistant - University of Gazira- Faculty of Engineering And Technology 1/2001 to 2003/ 5

• Member of Renewable Energy Sudan • Workshop of Electronic course design tools. • Presentation of how to use Mind map software in E learning courses design and implementation.