Web Bots
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A Review on CAPTCHAs in Use with Focus on Their Existing Vulnerabilities Concerning Web Security
Abstract: Over last decades or so, CAPTCHAs (Completely Automated Public Turing test to tell Computers and Humans Apart)are used to differentiate between humans and bots. In spite of the fact that numerous choices of CAPTCHAs are presented in later a long time but still text-based CAPTCHAs are most predominant among all other choices on the web. CAPTCHA has been broadly utilized over web to guard against assaults from pernicious bots and …
Published in Journal Of Network security · Vol. 9, Issue 1, 2021 · pp. 1–10 Read article