Image based Captcha is the latest alternative to current text based Captcha. It’s based on a set of images easier to be recognized and classified by human users than traditional textual Captcha. The user has to identify and click on a sequence of images. After he completes correctly the test and is verified as a human – he is allowed to carry on his online session.

In case you haven’t heard about it – the phpBB website was running a captcha plugin competition.
New entries are not allowed anymore, meaning we can get to see some new captcha plugins very soon now.
This captcha plugin competition was held because of the upcoming release of phpBB new version (phpBB 3.0.6) which will include a [...]

3D Captcha image is unbreakable by robots yet easy to discern by human beings…