Can you stop bad bots with words and pictures? If you use them in the way of challenges, you just might.
For those that don’t know, we’re talking about CAPTCHA, a little challenge involving writing the right words or picking the right pictures to prove that you’re a human – and not a bot.
There’s more to it than pictures and phrases, though. CAPTCHA is more complex than it sounds. Unfortunately, as complex as it is, it might not be enough to stop the latest bots.
Before we determine if CAPTCHA is worth the trouble, we need to understand what it is.