All: In a further effort to deter spam, Roanoke.com has added a "captcha" code bar for readers to type in before they enter a comment. We hope these human-readable images will thwart the loathsome ...

Ads are everywhere: They’re in our content, they’re online and offline, they’re on buses, billboards, and more. I’ve been told just to “get used to it” — that the advertising proliferation is only ...

NuCaptcha has been around for a few years, offering a unique portal for advertisers: A tiny pop-up movie that gets displayed when a user needs to type in a Captcha code to a website to verify their ...

Captcha (Completely Automated Public Turing test to tell Computers and Humans Apart) has become the standard term for simple human-or-robot tests. There are many different types of the process. It was ...

A report from security firm BitDefender suggests that spammers may have found a way to automatically break through certain types of graphical “captcha” code. “Captchas” are used in an attempt to ...

Researchers have developed a synthesis technique that generates moving pictures of 3-D objects which will allow security developers to generate an infinite number of "emergence" images virtually ...

Officials with the Georgia Department of Public Health and Microsoft are investigating why a security code that generated on the state website revealed a racial slur for a user. Georgia DPH officials ...

A racial slur that appeared in the CAPTCHA code on a Georgia Department of Public Health website has sparked an investigation by officials and Microsoft. The slur was flagged by Twitter user @DanieEve ...