Are CAPTCHAs On The Way Out?

April 24th, 2008

Computer SecurityYou’ve seen CAPTCHAs, even if you’re not familiar with the word. They’re those pictures with distorted words that you have to enter when registering or posting on some sites. It’s supposed to ensure that it’s a real, live human performing the input, instead of some sort of ‘bot. Well, the ‘bots are getting good at reading CAPTCHAs—so good that they can average one valid guess per minute on Windows Live Hotmail. This makes CAPTCHAs fairly useless, and I expect to see them get phased out for something better (whatever that may be). Chad’s News uses an arithmetic entry for anonymous comment submission, but even this has not stopped some spammers.

Link: http://arstechnica.com/…

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