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Prevent bot and spam attacks with our superior CAPTCHA solution.
Prevents bot and spam attacks on your Web site.
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.
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.
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.
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.
On today's episode of The 404, we're examining the many ways that personal privacy is on its way out the door.