form security

This script performs CAPTCHA validation on the user click. It is the most easiest form of captcha. It generates an image with letters or numbers inside circles or squares that the user needs to click according to instructions written on the image. This class can validate the user clicks by checking its position.

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Why is it called Ghost Captcha? Because like a ghost, it is an invisible force, working quietly in the background to detect and block potential spambots. Yes, Ghost Captcha does come with its own standard captcha tests, but these are only displayed as a last resort, after suspicious browsing activity is detected. Why display captcha tests only as a last resort? Because captcha tests are annoying. They treat all users as suspects, who must pr...

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Why is it called Ghost Captcha? Because like a ghost, it is an invisible force, working quietly in the background to detect and block potential spambots. Yes, Ghost Captcha does come with its own standard captcha tests, but these are only displayed as a last resort, after suspicious browsing activity is detected. Why display captcha tests only as a last resort? Because captcha tests are annoying. They treat all users as suspects, who mu...

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Standard Captcha images are boring, difficult to read and completely NOT user friendly. Fun Captcha makes it fun to complete a Captcha form while maintaining the core functionality. Fun Captcha is designed as a game of Tick Tack Toe. The user is presented with an almost complete game and is asked to get 3 X’s in a row in one of the following configurations: User’s selection is then submitted to the server and analyzed to ensure a rea...

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