Bots account for nearly half of global internet traffic, increasing the need for online security. Whether browsing on an ...

It is essentially a test meant to distinguish bots from humans, block the former and usher in the latter. That’s why it’s called the Completely Automated Public Turing test to tell Computers and ...

How do you let people create user accounts or post comments on your Web site without letting spam bots in? Simple — make your users prove they’re human. Many Web sites use CAPTCHA (Completely ...

Bots are better and faster than humans at online CAPTCHA tests designed to keep them out of websites. The finding calls into question whether we should continue using these kind of security measures, ...

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 ...