How do you let people create user accounts or post comments on your Web site without letting spam bots in? Simple — make your users prove they’re human. Many Web sites use CAPTCHA (Completely ...

It’s not as if it hasn’t been done before, but researchers at Stanford quantified ways to crack the CAPTCHA test many web sites use to make users prove they’re human, and recommended ways to make sure ...

The hack placed a fake CAPTCHA test on the landing page for iClicker.com, according to BleepingComputer. Normally, CAPTCHA tests are designed to deter web-scraping bots by asking online visitors to ...