A Behavior Characteristic CAPTCHA
Binjun Wang · Xinxi wangluo anquan · 2012
In view of the manifestation,the essential characteristics and the general attack mode of CAPTCHA,we studied the behavior characteristics of mouse and keyboard when human beings are using them to tell the human beings and computer programs apart,a new CAPTCHA and its working mode based on behavior characteristics is proposed,at last we analysis the safety of the behavior characteristic CAPTCHA.