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| Subject: | Re: Thoughts on CAPTCHA |
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| Date: | Tue, 15 Apr 2008 15:34:56 -0700 |
But add the layer of security where you must enter the CAPTCHA "word" with a ever changing keyboard/pad. Using 16 keys instead of 10 would give enough choices but not take that long to find the keys needed to enter the CAPTCHA "word".
Maybe I am missing something, but I am not sure how this will avert attacks on captcha. The Computer Character Recognition will still be able to decipher the CAPTCHA phrase and pass it to the server, irrespective of the ever changing keyboard/pad implementation. saqib http://doctrina.wordpress.com/
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