You know the Pligg captcha that's verifying if people are actually human?
Well, a simple software program can "see" what that code is on the captcha in about one second:
BotMaster.Net: captcha breaking, automatic recognition of pictocodes (human verification)
Why not ditch the captcha and protect pligg with something like CSS?
Fighting Spam with CSS Quote:
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Originally Posted by FTA The idea here is setting up a form with a text field and via CSS making it invisible. Then, if a post is sent to a php script handling the request and that text box has information in it, that means a human didn’t fill it out, and the script is simply aborted. |