Re: Thoughts on CAPTCHA

["Ali, Saqib" <docbook.xml () gmail com>]

>  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/