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Re: CAPTCHA

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From: Stefan Sollinger
Date: Nov 6, 2014 3:19PM

Hi Sarah,

I haven't seen this article before but it's a fantastic description of the
problem.

Here are a few other resources about CAPTCHAs that I have collected over
the years. I think some have been mentioned before. Most are from Karl
Groves, he seems one of the very few people who keep the balance between
benefit and problem on this, without automatically declaring all CAPTCHAs
to be evil.

CAPTCHA-less security approaches – alternatives to using CAPTCHA:
http://www.karlgroves.com/2012/04/03/captcha-less-security/

and this is a follow-up article to the above:
http://www.karlgroves.com/2013/08/07/eating-my-own-dog-food-botsmasher-web-service/

Long list of resources about breaking CAPTCHAs, to show CAPTCHA isn't as
secure as some people like to think:
http://www.karlgroves.com/2013/02/09/list-of-resources-breaking-captcha/

Spam-free accessible forms
http://webaim.org/blog/spam_free_accessible_forms/

List of lots of resources about CAPTCHA:
http://www.a11ybuzz.com/topic/captcha

And finally, this is a joke website making fun of CAPTCHAs:
http://crapcha.com/

--
Stefan Sollinger