Google's Clever Plan to Replace CAPTCHA With a Checkbox

CAPTCHAs are an unfortunate side effect of the internet. They're those irritating collection of numbers and letters morphed into some Surrealist dreck that leaves us guessing, and guessing, and guessing. Google wants to improve all of that with updates to reCAPTCHA, a one-click solution for telling websites that you… »12/03/14 10:04am12/03/14 10:04am

Google Street View Accidentally Made an Algorithm That Cracks CAPTCHAs

House numbers on Google Street View can turn up as blobby, blurry things, so its engineers built a pretty crazy neural network to decipher them. Except this algorithm also turns out to be very very good at deciphering other blobby, blurry texts—like CAPTCHAs, which it cracks with 99 percent accuracy. Take that, human. »4/16/14 6:40pm4/16/14 6:40pm

Spambots Can Now Fool Yahoo CAPTCHA Tests: Yes, Worry

You know those anti-spam tests that make you enter funny characters to prove you're a human? Well, non-humans can finally fake their way into systems using the "Completely Automated Public Turing test to tell Computers and Humans Apart" too—even Yahoo's pretty secure system, according to new reports. »1/30/08 10:39am1/30/08 10:39am

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Anti-Spam Turing Test Is Really Global Human-Powered OCR System

You know the test you have to take on Digg or Facebook, the one that proves you're a human? You see a hard-to-read word or string of gibberish, and you type in the correct characters. Carnegie Mellon researchers decided to replace randomly generated words with actual words from ancient manuscripts, words that machines… »10/02/07 9:25am10/02/07 9:25am