New Text-Based User Authentication Scheme Using CAPTCHA

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Abstract

In recent times, there is a pressing needs to develop more robust and efficient user authentication techniques in order to protect the confidentiality and integrity of crucial information. Thus, many new techniques are being developed like graphical passwords, two-step verification, and others. In this domain, the conventional text-based passwords are often criticized and considered less secure but surprisingly they are still the most common authentication technique. This popularity is due to their ease of implementation and use. In this paper, we have proposed new text-based user authentication technique using CAPTCHA. This technique overcomes most of the challenges faced by both conventional and contemporary authentication methods and offers a higher level of security than them. The password is user-friendly, quick and easy to compute, and more secure.

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Usmani, A., Maryam, A., Sarosh Umar, M., & Khan, M. H. (2019). New Text-Based User Authentication Scheme Using CAPTCHA. In Lecture Notes in Networks and Systems (Vol. 40, pp. 313–322). Springer. https://doi.org/10.1007/978-981-13-0586-3_32

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