All current audio Captchas have an inherent flaw that leaves them susceptible to automated attacks by botnets or spammers. That warning comes from a group of researchers from Stanford University, ...

The Carnegie-Mellon University team behind the reCAPTCHA service is continuing to expand its effort to mix basic security and useful work. CAPTCHAs are the distorted text that helps various online ...

A great story over at Ars Technica today details the efforts of the Carnegie-Mellon University team behind the reCAPTCHA service, who has turned its attention to the audio CAPTCHAs used by the ...

Researchers in the Stanford Computer Science Department, working in tandem with researchers from Tulane University and the French National Institute for Research in Computer Science and Control (INRIA ...

However, audio captchas often don't work very well. Human users have difficulties in solving them, whereas computers often show superior performance on the task, according to IT expert Hendrik ...

Google has fixed a flaw in its Audio CAPTCHA software that could have given scammers a way to automatically set up phoney accounts with the company's services. Google has fixed a flaw in its Audio ...

A team of instructors and students at Towson University is trying to build a better CAPTCHA mousetrap. The group recently received a $50,000 grant for the work from the Maryland Technology Development ...

Google revamped its reCAPTCHA system, used to block automated scripts from abusing its online services, just hours before a trio of hackers unveiled a free system that defeats the widely used ...

Google has fixed a flaw in its Audio CAPTCHA software that could have given scammers a way to automatically set up phoney accounts with the company’s services. The flaw was described in a post to the ...