There I was, minding my own business, as usual, working not out of my wireless cave that day, but in my local internet cafe, since I don't own a computer and do all my email and surfing chores at the ...

I have a website e-mail form. I use a custom CAPTCHA to prevent spam from robots. Despite this, I still get spam. Why? How do robots beat the CAPTCHA? Do they use some kind of advanced OCR or just get ...

Artur is a copywriter and SEO specialist, as well as a small business owner. In his free time, he loves to play computer games and is glad that he was able to connect his professional career with his ...

When you visit a webpage, you might see a CAPTCHA to make sure you’re a real person and not a bot. These usually involve jumbled words, some recognizable images or just a box that says, "I am not a ...

CAPTCHAs are an annoying security tool intended to prevent spam by testing website visitors to make sure they're actual people and not automated bots. Sometimes you have to input the characters you ...

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.

NPR's Audie Cornish speaks with researcher Jason Polakis about CAPTCHA, the program that tests to see if you are really human, and how far artificial intelligence has come. CORNISH: I'm not a robot.