PALO ALTO--A team of Stanford University researchers has bad news to report about Captchas, those often unreadable, always annoying distorted letters that you're required to type in at many a Web site ...

One of the most annoying Internet experiences is having to deal with CAPTCHA and decode distorted text on a website to prove you are not a robot. But now, Google says it can tell you’re human just by ...

A core security mechanism that keeps us all safe online is likely to fail within the next few years. This could cause a massive rekeying of websites and big shifts in how we approach online security.