WASET
    Amjad F. Alharbi and  Bashayer A. Alotaibi and  Fahd S. Alotaibi,  Security of Internet of Things: Challenges, Requirements and Future Directions.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2018, vol. 142(10). 879 - 890
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10009653.