How do you let people create user accounts or post comments on your Web site without letting spam bots in? Simple — make your users prove they’re human. Many Web sites use CAPTCHA (Completely ...
In their paper Text-based CAPTCHA Strengths and Weaknesses, Elie Bursztein, Matthieu Martin and John C. Mitchel give a list of the design principles which ReCAPTCHA uses and which should be used to ...
Add articles to your saved list and come back to them any time. Captcha systems to stop automated postings have been 'completely broken' by spammers, experts say. So what's the alternative? Tim ...
One of Solve Media's missions is to improve brand awareness for online retailers through CAPTCHA type-in ads. Using these ads, neighborhood home improvement store Ace Hardware proved it could capture ...
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BBB warns about how fake CAPTCHA programs can steal your information
When you log on to a site or go to buy something online, you may be asked to prove you're not a robot. Those tests are called ...
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