5 Results for

nucaptcha

Article

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 Aug. 11, 2011

Article

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 Feb. 17, 2012

Article

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 Jun. 18, 2012

Article

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 Oct. 31, 2011

Article

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 Nov. 4, 2010