Are you human?
CAPTCHA slows automated abuse, but must be accessible and only one of several protective layers.
Komiks·Lab › Coding for kids › Secure coding for children
Secure coding for children
Understand CAPTCHA, server-side validation, HTTPS and safe password hashing through visual stories.
Programming and safety concepts children will understand
secure coding for kids, CAPTCHA, input validation, HTTPS, password hashing
🚀 Open the interactive coding course
Comic lessons and quizzes
Do not trust the form
The program validates data on the server, uses safe queries and shows harmless error messages.
The lock in the browser
HTTPS encrypts the connection, while the correct domain confirms the intended website.
Passwords become hashes
The service stores a salted password hash and compares new attempts without storing plaintext.