FROM CAPTCHA TO AQ-SOCHAMACAP: A MOVE FROM STATIC QUESTION TO DYNAMIC QUESTION
Salvatore Fasola, Bucharest Romania · 2011
This paper proposed AQ-SOCHAMACAP which is a type of CAPTCHA that has to do with mixing alphanumeric characters and other special characters, such that the user will be asked to look at the characters provided and then answer the challenge based on it equivalent question. In addition, rather than the question remaining static it will alternating for each CAPTCHA test such interchanging questions or instructions have as goal to obfuscate an Optical Character Recognition (OCR) software or automated malicious program which spammers have designed to adapt to the static trait of the existing CAPTCHA system questioning.