Moving video to 'captcha' robot hackers
Tuesday, December 29, 2009 - 12:35
in Mathematics & Economics
We see the popular "captcha" security mechanism often ― wavy letters websites ask us to type into a box. It's used by web pages and newsletter sign-up forms to prevent computer robots from hacking into servers and databases. But these codes, which are becoming increasingly complicated for an average person to use, are not immune to security holes.