From Rorschach tests to trigonometry, this 48-level gauntlet is the most infuriating test of your humanity yet. Can you ...

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 those now ubiquitous challenges you encounter to prove that you’re a human and not a bot when you go to log in to many websites. As a computer scientist, I see CAPTCHAs as an effective ...

The goal of the Turing test is for a human to work out whether they're communicating with another person or a machine. Computers have gotten better at imitating people but they've also improved at ...

You’re likely well-acquainted with classic CAPTCHA tests on websites. You know, the thing where you have to click to confirm you aren’t a robot? Type in the strange-looking letters and numbers? Select ...

In the ever-changing world of Internet technology, keeping users safe and verifying their identities is important. One of the most important security systems for this is CAPTCHA (Completely Automated ...

As described by security firm Malwarebytes in a new report, this scheme relies on the ease with which people often follow the steps in a CAPTCHA prompt without thinking. You land on a website that ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Jan. 28, 2025: This story, originally published Jan.

Vercel CEO Guillermo Rauch built a DOOM captcha that requires you to finish off three bad guys in Nightmare mode to prove that you’re human. According to Hackaday, the DOOM captcha is built as a ...