Difference between revisions 479595932 and 479596122 on enwiki

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NuCaptcha
{{Orphan|date=August 2011}}

'''NuCaptcha''' is a [[Canada|Canadian]]-based [[CAPTCHA]] service utilizing animated video CAPTCHAs.<ref name="reg">{{cite web|url=http://www.theregister.co.uk/2010/07/01/animated_captcha/|title=Animated CAPTCHA tech aims to fox spambots|work=[[The Register]]|accessdate=14 July 2010}}</ref><ref name="theh">{{cite web|url=http://www.h-online.com/security/news/item/NuCaptcha-Flash-CAPTCHAs-to-combat-spambots-1032147.html|title=NuCaptcha Flash CAPTCHAs to combat spambots|accessdate=14 July 2010}}</ref><ref name="eweek">{{cite web|url=http://www.eweek.com/c/a/Security/Company-Looks-to-Slow-Spammers-With-Video-CAPTCHA-Technology-127193/|title=Spammers to Face Video CAPTCHA Technology - Security from eWeek|work=[[eWeek]]|accessdate=14 July 2010}}</ref>

Static image-based CAPTCHASs are routinely used to prevent automated sign-ups to websites by using text or images of words disguised so that [[optical character recognition]] (OCR) software has trouble reading them.<ref name="reg" /> Humans have trouble reading them too. In leadingowever, in common CAPTCHA systems, users often fail to correctly solve the CAPTCHA 7% - 25% of the time.<ref name="autogenerated1captcha-evaluation"> {{cite web |first=Elie|last=Bursztein |coauthors=Bethard, Steven; Fabry, Celine; Mitchell, John C.; Jurafsky, Dan |url=http://www.stanford.edu/~jurafsky/burszstein_2010_captcha.pdf|title= How Good are Humans at Solving CAPTCHAS? A Large Scale Evaluation|publisher=Stanford University |date=March 2010 |accessdate=2012-02-25}}</ref> NuCaptcha uses animated video technology that it claims make puzzles easier for humans to solve, but harder for bots and hackers to decipher.<ref name="reg(contracted; show full)== External links ==
* [http://www.nucaptcha.com/ NuCAPTCHA homepage]



{{internet-stub}}

[[Category:Internet companies of Canada]]