Synthetic Arabic handwritten CAPTCHA
by Suliman A. Alsuhibany; Fatimah N. Almohaimeed; Naseem A. Alrobah
International Journal of Information and Computer Security (IJICS), Vol. 16, No. 3/4, 2021

Abstract: Differentiating between humans and bots has become a critical issue of websites' security. Therefore, a completely automated public Turing test to tell computers and humans apart (CAPTCHA) is a test to limit the ability of cyber attackers trying to scale their activities using automated bots. Several Latin-based CAPTCHAs, which are widely used, have been broken, while Arabic script and handwritten text have inherent characteristics that have been proven to be beneficial for cybersecurity. Accordingly, we proposed a method for using Arabic handwritten text to generate infinite CAPTCHA challenges. In order to assess the proposed CAPTCHA generator, experimental studies were conducted. The results show a gap between machine and human recognition abilities while using Arabic handwritten script.

Online publication date: Mon, 15-Nov-2021

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