CAPTCHA: The story behind those squiggly computer letters
If you use the Web, you have probably encountered an annoying invention called a CAPTCHA.
Stanford research team cracks animated NuCaptcha
Stanford researchers outsmart captcha codes
Stanford computer scientists find Internet security flaw
(PhysOrg.com) -- Researchers at the Stanford Security Laboratory create a computer program to defeat audio captchas on website account registration forms, revealing a design flaw that leaves them vulnerable ...
Strong protection for weak passwords
(PhysOrg.com) -- The combination of simple codes and Captchas, which are even more encrypted using a chaotic process, produces effective password protection.
From handwritten CAPTCHAs to 'smart rooms,' tech solutions start with pattern recognition
Buy something online, enter your credit card number and mailing address. Simple. Then you come to the box with the CAPTCHA, the Completely Automated Public Turing Test to Tell Computers and Humans Apart. Here, the website ...
Moving video to 'captcha' robot hackers
We see the popular "captcha" security mechanism often ― wavy letters websites ask us to type into a box. It's used by web pages and newsletter sign-up forms to prevent computer robots from hacking into servers and databases. ...
Machines can't replicate human image recognition, yet
While computers can replicate many aspects of human behavior, they do not possess our ability to recognize distorted images, according to a team of Penn State researchers.