Websites can improve their security and protect against harmful Internet attacks by
incorporating CAPTCHA verification, which assists in distinguishing between human users …

Captcha challenges have become the most widely used techniques to deter the misuse of
services on the Internet. The majority of current Captcha schemes are principally based on …

Nowadays, the graphical password has gained significant recognition and has become a
subject of extensive investigation within the research community. The proliferation of Internet …

While text-based CAPTCHAs have been the predominant type of human interaction proofs
(HIPs) for many years, image recognition challenges have also gained significant attention …

Captcha has become a standard security mechanism to protect many services and
resources on the Web. A Captcha challenge is created and validated automatically by …

The review conducted a systematic literature review (SLR) of the CAPTCHA generation field
to analyze the attack resistance and user-friendliness of the existing CAPTCHA generation …

This comprehensive analysis delves into the historical progression and important
technological and contemporary advancements of computer vision inside the metaverse …

Researchers have carried out extensive work on improving Completely Automated Public
Turing Test to Tell between Computers and Humans Apart (CAPTCHA) to prevent malware …