Building a Better CAPTCHA
Anti-spam CAPTCHA technology is in wide use these days and has been cracked in a number of applications. ComputerWorld takes a look at the beleaguered tech and how itÂ’s evolving to stay ahead of the hackers.
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Â… it should also be kept in mind that, even as bot-based CAPTCHA attacks are held at bay, there’s no effective defense against humans breaking CAPTCHAs for money. All that any CAPTCHA system, or any other security measure, can really do is slow down would-be crackers. |