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[nycphp-talk] "easily" defeating captchas using automated image analysis

Chris Shiflett shiflett at php.net
Tue Nov 2 13:58:44 EST 2004


--- Ben Ramsey <ben at atlphp.org> wrote:
> > Isn't this fun? They canbeat most captchas automagically. They
> > even defeat the "enter three of the following 6 overlapping
> > captcha words" test 34% of the time.
> > 
> > http://www.cs.sfu.ca/~mori/research/gimpy/
> 
> What's even more interesting is that this is paving the way for
> AI in robots that can read signs and symbols, books, and
> recognize people and objects.

But would you want to have a beer with one? That's the real question. :-)

Chris

=====
Chris Shiflett - http://shiflett.org/

PHP Security - O'Reilly     HTTP Developer's Handbook - Sams
Coming January 2005         http://httphandbook.org/



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