Commercial CAPTCHA-breakers for sale

Ian G iang at
Mon Oct 22 15:55:39 EDT 2007

Peter Gutmann wrote:
> is a site that sells commercial CAPTCHA-breaking
> software.  It also shows success rates for different types of CAPTCHAs.  While
> the ratings are merely representative of this particular site's software and
> not a universal measure, it's interesting to note that there's already a
> commercial market for anti-CAPTCHA tools.

The other approach that I've heard of against such 
turing/human tests is that attackers have experimented with 
mechanical turk style systems.


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