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, ...

CAPTCHAs are those now ubiquitous challenges you encounter to prove that you’re a human and not a bot when you go to log in to many websites. As a computer scientist, I see CAPTCHAs as an effective ...

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 ...

Researchers have figured out how to to crack captchas, making it possible to launch automated attacks against sites such as Microsoft, eBay and Digg where opening phony accounts could be turned into ...

From warped text to invisible AI scoring: the complete history of CAPTCHAs, how spammers beat them, and what comes next in ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

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 ...