> -----Original Message----- > From: thelist-bounces at lists.evolt.org ... > Hello, > > 1. What's the name of the image that is generated on some login > websites that make the user enter the numbers displayed > within the > image into a text box? > > 2. What it is about these images that make image reader > software from > detecting what's written within the image? Captcha http://en.wikipedia.org/wiki/Captcha However, Captchas may still be decoded and defeated by automated means. Take the PWNtcha project: http://sam.zoy.org/pwntcha/ Good luck, jj