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captchas

Category: news | Posted by Avatar Staff 264 days ago
Via: http://go.theregister.com | Tags: russian serfs paid day break captchas comments Discuss  
Semi-automated attack or chain-mail gangWhy should miscreants bother to develop cutting edge programming techniques when they can pay $3 to somebody to set up spam-ready webmail accounts on their behalf? Evidence has emerged that people as well as malware are being used to defeat CAPTCHAs, challenge-response systems that are often used to stop the automatic creation of webmail accounts by spammers.… read more »
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Category: news | Posted by Avatar Staff 233 days ago
Via: http://go.theregister.com | Tags: new dirtcheap bots attack hotmail captchas comments Discuss  
Captcha catching grows upUK researchers have devised a novel and inexpensive way of cracking Microsoft's Windows Live Captchas with a success rate of more than 60 percent, a finding that further exposes weaknesses in a key measure designed to keep miscreants from infiltrating free online services.… read more »
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Category: news | Posted by Avatar Staff 232 days ago
Via: http://www.infoworld.com | Tags: researchers microsofts captchas easy solve comments Discuss  
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. read more »
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Category: blogs | Posted by Avatar Staff 161 days ago
Via: https://forums.symantec.com | Tags: broken captchas spawn spam increase comments Discuss  
CAPTCHAs (completely automated public Turing tests to tell computers and humans apart) are common these days. In case you aren't familiar with the terminology, they are those images with obscured letters that you need to transcribe into a text box whenever you sign up for a new Web mail or forum account read more »
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Category: news | Posted by Avatar Staff 61 days ago
Via: http://go.theregister.com | Tags: spam swine break nextgen captchas comments Discuss  
Hotmail, Gmail and kitchen-based checks all neuteredSpammers have reportedly defeated revised CAPTCHAs from both Google and Microsoft.… read more »
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