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by mavick
4224 days ago
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It varies greatly on the project you're working on. There are people out there trying to automate account creation on web based email's for the sole purpose of email spamming (same with social networks). And with complex botnet proxies and the TOR project, false accounts are getting harder to detect. They have created interesting methods to combat Captcha images. They even have outsourced OCR services, where people in other countries are paid to solve ocr 1 image at a time. [0] [0] http://deathbycaptcha.com |
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