kaPoW can be used in conjunction with CAPTCHA tests to protect web applications against attack and addresses several of CAPTCHAs shortcomings. In particular, kaPoW
Currently, there are two ways for using kaPoW to protect web content
kaPoW is currently supported by the National Science Foundation under Grant Number CNS-0627752. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. If you are interested in using or contributing to mod_kaPoW, contact us.