There was a thread about something similar to this on Slashdot oh, at
least a year ago. One technique that was suggested was to draw a
random image on the screen - say, a grid of colored squares, or a set
of different shapes/images - and just direct people to 'pick the blue
square' or 'click on
Leif K-Brooks wrote:
I'm using a verification code image to stop automated sign ups, but two
hackers seem to be OCRing it. I've looked through the registration
script, and there's definitley no security holes. Does anyone have any
ideas as to making the image harder to OCR?
Use two different
2 matches
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