Kyungroul Lee and  Kwangjin Bae and  Kangbin Yim,  Hardware Approach to Solving Password Exposure Problem through Keyboard Sniff.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2009, vol. 32(8). 1501 - 1503
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/4600.