CAPTCHA
acronymsecurityweb dev
Stands for: Completely Automated Public Turing test to tell Computers and Humans Apart
A challenge meant to tell humans and bots apart.
Completely Automated Public Turing test to tell Computers and Humans Apart is a challenge, like distorted text or image selection, that is easy for people and hard for bots. It is a last-resort defense because it adds real user friction.
Also known as: captcha