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NuCaptcha Basic

Prevent bot and spam attacks with our superior CAPTCHA solution.

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85 total downloads
2 last week

NuCaptcha Lite

Prevents bot and spam attacks on your Web site.

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39 total downloads
1 last week

Stanford University researchers break NuCaptcha video security

Borrowing from the field of machine vision, Stanford University researchers have discovered how to solve over 90 percent of NuCaptcha's are-you-a-human video challenges.

By February 17, 2012


NuCaptcha takes on Google's ReCaptcha

Can't read your way past the humans-only gateway on that Web site? NuCaptcha has a filter that's easier for you, harder for robots.

By August 11, 2011


CAPTCHA systems easy to foil, security firm finds

Imperva study finds CAPTCHAs, designed to keep spambots off Web sites, can easily be broken by humans and can turn people away if they are difficult or annoying to complete.

By June 18, 2012


Outsmarted: Captcha security not much of a gotcha

Web sites including Blizzard, eBay, and Visa's Authorize.net use a flawed antibot mechanism, Stanford researchers say. They say companies should take security more seriously.

By October 31, 2011


The 404 702: Where it's the end of the world as we know it (podcast)

On today's episode of The 404, we're examining the many ways that personal privacy is on its way out the door.

By November 4, 2010