Overview:  As bots grow more sophisticated in 2025, CAPTCHA tools have shifted from puzzles to behavior-based verification that protects platforms without ...

We see the popular "captcha" security mechanism often ― wavy letters websites ask us to type into a box. It's used by web pages and newsletter sign-up forms to prevent computer robots from hacking ...

CAPTCHA systems, which are designed to differentiate between human users and automated programmes, have become a pivotal component in securing digital services. Over recent years, the evolution of ...

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