[thelist] Preventing Malicious Login

Tim Burgan email at timburgan.com
Sat Oct 15 09:22:10 CDT 2005


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?


Thanks

Tim




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