CAPTCHA

Breaking CAPTCHA: Research shows it's harder than ever to prove you're human

Posted October 31, 2011 - 3:54 pm

Stanford researchers definitively cracked the CAPTCHA tool that makes users prove they're human before using a site. CAPTCHA isn't dead, it's just oversimplified by most sites in a competition in which variety equals security, at least from spambots.
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Researchers crack Microsoft, eBay, Yahoo, Digg audio captchas

Posted May 24, 2011 - 10:36 am

Researchers have figured out how to to crack captchas, making it possible to launch automated attacks against sites such as Microsoft, eBay and Digg where opening phony accounts could be turned into cash.
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Security company strengthens CAPTCHAs with video

Posted October 25, 2010 - 7:57 am

A security company called NuCaptcha is incorporating advertising into a video CAPTCHA system that is much harder for computers to break.
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Top Internet Security Trends from 2009 and a Look Ahead to 2010

Posted December 15, 2009 - 3:13 pm

Rogue security software, social networking attacks, drive-by downloads, and bot networks were among the top security trends in 2009, according to researchers at Symantec. See what the bad guys have in store for us in 2010.
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Worm solves Gmail's CAPTCHA, creates fake accounts

Posted April 24, 2009 - 8:28 am

A Vietnamese security company has detected a new worm that thwarts Google's security protections in order to register new dummy Gmail accounts.
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Google offers top tip to help beat bots

Posted April 17, 2009 - 11:01 am

Google has put a new spin on the 'CAPTCHA' used to control access to Web sites: ask visitors to identify the tops of a series of randomly rotated images.
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Bot busts newest Hotmail CAPTCHA

Posted February 18, 2009 - 4:36 pm

Spammers have cracked Microsoft's latest defense against abuse of its Live Hotmail e-mail service using a sophisticated network of hacked computers that receive encrypted instructions from a central server, a security company has reported.
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CAPTCHA Ready For Retirement?

Posted October 16, 2008 - 5:31 am

Spammers are hitting Googleâ€™s Blogger service hard, using botnets to create hundreds of fake pages. The pages are full of spam ads, obviously, but some also redirect the viewer to a porn or other spam site.
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India’s Booming Business: CAPTCHA Solving

Posted October 13, 2008 - 5:58 am

Is text based CAPTCHA on the way out?
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Worst captchas of all time

Posted August 26, 2008 - 9:05 pm

Are you tired of having to squint at twisted letters whenever you want to leave a blog comment? Well, be glad that you don't have to jump through these hoops...
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Researchers: Microsoft's CAPTCHAs easy to solve

Posted April 15, 2008 - 1:06 pm

Microsoft's system to thwart automatic registrations of e-mail accounts leads to 'a false sense of security,' according to two researchers who have developed a low-cost way to break the security mechanism.
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