An exploit for the bypass vulnerability required an HTTP parameter pollution in a web application. Google has fixed a bypass for its reCAPTCHA authentication ...

While puzzling captchas—from dogs in hats to sliding jockstraps—still exist, most bot-deterring challenges have vanished into ...

Ever had to click through a grid full of images or decipher barely legible words just to prove to a website that you're human? You may not have to ever again. Google ...

ReCAPTCHA is a free offering from Google to protect webmasters against robots and bots designed to propagate spam and abuse online services. Based on the Turing Test, reCAPTCHA uses puzzles or logic ...

The “CAPTCHA” has infuriated web users for years: It's that login test that asks you to type in a hard-to-read sequence of letters or numbers in order to prove are not a robot. Get one letter wrong ...

Sure, we’re grudgingly accustomed to those Captcha code boxes popping up online to verify we’re humans, not bots. But they’re about to get way more horrible. Thanks to moves by a firm called NuCaptcha ...

An automated CAPTCHA solver developed by a team of British and Chinese computer engineers proves this widely-used security feature may not anymore become efficient in protecting websites. The new ...