A Completely Automated Public Turing test to tell Computers and Humans Apart, or CAPTCHA, is an online challenge-response ...

It’s a simple question — one that most of us regularly answer in the form of a CAPTCHA, a hacker-averting quiz that asks us to distinguish a squiggly “l” from an “S,” or perhaps select all of the ...

The Gmail CAPTCHA has been cracked—albeit not easily—raising new concerns about spammers' ability to abuse Google's e-mail services. Websense Security Labs pointed out the security breach late last ...

The cyber-underground menu of criminal services now includes on-demand, human-assisted CAPTCHA-breaking functionality, researchers are warning — meaning that website admins should look to implement ...

Proton, the company behind the end-to-end encrypted Proton Mail, has released PRoton CAPTCHA, a layered system to differentiate between humans and bots. For the past decade-and-a-half, CAPTCHAs and ...

Spammers have cracked Microsoft Corp. ‘s latest defense against abuse of its Live Hotmail e-mail service using a sophisticated network of hacked computers that receive encrypted instructions from a ...

A new bot can crack defenses erected by Microsoft to keep spammers from creating large numbers of accounts on its Live Hotmail service within seconds, a security researcher said Friday. Dan Hubbard, ...

Artificial intelligence (AI) has reportedly demonstrated its superiority over humans when it comes to solving online CAPTCHA tests designed to differentiate between human users and automated bots. Can ...

Google has axed its manual Captcha security tool to make way for a new, invisible system that can automatically detect non-human website visitors. Until now, internet users have often been asked to ...