The main drawback of textual passwords is Shoulder Surfing. In order to
overcome, SSSPAS (Scalable Shoulder Surfing resistant textual and graphical Password Authentication Scheme) was used. To enhance the security of password tables at server side, Neural Networks with Back Propagation Learning Algorithm was used.
Here is small example video for Shoulder Surfing
Below picture is similar to above image and user credentials were lost due to only one reason that "Shoulder Surfing" and most of people are interested on others data than compared to what they have
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