From a security perspective knowing that you are human is invaluable. In the real world, you protect your house by installing a security system that monitors human motion and you install deadbolts that stop people from opening the door. Now imagine how you would protect your home if the attacker was [...]

In 1770, Wolfgang von Kempelen created what was perhaps the world’s earliest innovation in the field of artificial intelligence: an automaton known as the Mechanical Turk that was capable of defeating all but the most skilled of chess players of the time. It was a mechanical marvel, and Kempelen would give demonstrations for some of [...]

I’d like to talk about CAPTCHA today.
CAPTCHA means “Completely Automated Public Turing test to tell Computers and Humans Apart.” It’s probably more commonly known as something like “That Irritating Blurry Text I Have To Type Whenever I Buy Tickets Online,” but, honestly, between CAPTCHA and TIBTIHTWIBTO, I prefer CAPTCHA.
Here’s the Turing test: you have a [...]