PolyCaptcha is a Flask‑based web application that mimics Google’s image‑based reCAPTCHA flow to demonstrate how attackers can use visual deception, clipboard poisoning, and file‑format spoofing to trick users into downloading and executing malicious code.

Server-side verification of various CAPTCHA tokens

Personal Portfolio v3

Frontend para la prueba técnica de InnovaTube

ExploreRecaptcha is a full-stack demo using React, Node.js, and Express to implement backend-triggered Google reCAPTCHA verification. CAPTCHA is only shown when the server detects suspicious login behavior.