1![](https://www.pdfsearch.io/img/f8a64245d7d2b242149b90b3dfbcfa87.jpg) | Add to Reading ListSource URL: cdn.dejanseo.com.auLanguage: English - Date: 2012-02-20 03:22:35
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2![“Places” spam – the new front in the spam wars. John Nagle SiteTruth [removed] December, 2010 “Places” spam – the new front in the spam wars. John Nagle SiteTruth [removed] December, 2010](https://www.pdfsearch.io/img/b4b8c9a803266c0425d9965564fce49c.jpg) | Add to Reading ListSource URL: www.sitetruth.comLanguage: English - Date: 2012-01-22 23:26:03
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3![Computing / Internet / Technology / XRumer / Spam in blogs / Spamming / Email / CAPTCHA Computing / Internet / Technology / XRumer / Spam in blogs / Spamming / Email / CAPTCHA](/pdf-icon.png) | Add to Reading ListSource URL: www.accan.org.auLanguage: English - Date: 2015-01-23 00:34:44
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4![Microsoft Word - Community Position Statement on Captcha 2014 Microsoft Word - Community Position Statement on Captcha 2014](https://www.pdfsearch.io/img/f360ecf02a68f1fbdabdb660971d99c0.jpg) | Add to Reading ListSource URL: www.accan.org.auLanguage: English - Date: 2015-01-23 00:34:44
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5![Computing / Internet / Technology / XRumer / Spam in blogs / Spamming / Email / CAPTCHA Computing / Internet / Technology / XRumer / Spam in blogs / Spamming / Email / CAPTCHA](/pdf-icon.png) | Add to Reading ListSource URL: accan.org.auLanguage: English - Date: 2015-01-23 00:34:44
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6![Microsoft Word - Community Position Statement on Captcha 2014 Microsoft Word - Community Position Statement on Captcha 2014](https://www.pdfsearch.io/img/8962ec11415a810884c9bcc187e94d9c.jpg) | Add to Reading ListSource URL: accan.org.auLanguage: English - Date: 2015-01-23 00:34:44
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7![Microsoft Word - Usability of CAPTCHA_draft formating.doc Microsoft Word - Usability of CAPTCHA_draft formating.doc](https://www.pdfsearch.io/img/cb7324a71f33d284f5875cfd75b8d446.jpg) | Add to Reading ListSource URL: cups.cs.cmu.eduLanguage: English - Date: 2008-07-15 11:08:48
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8![Re: CAPTCHAs – Understanding CAPTCHA-Solving Services in an Economic Context Marti Motoyama, Kirill Levchenko, Chris Kanich, Damon McCoy, Geoffrey M. Voelker and Stefan Savage University of California, San Diego {mmoto Re: CAPTCHAs – Understanding CAPTCHA-Solving Services in an Economic Context Marti Motoyama, Kirill Levchenko, Chris Kanich, Damon McCoy, Geoffrey M. Voelker and Stefan Savage University of California, San Diego {mmoto](https://www.pdfsearch.io/img/9848dd3c903f46b6e56b0eab257a8077.jpg) | Add to Reading ListSource URL: cseweb.ucsd.eduLanguage: English - Date: 2010-07-23 12:33:01
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9![International Journal of Advancements in Computing Technology Volume 2, Number 5, December 2010 Enhancing E-mail Security by CAPTCHA based Image Grid Master Password Nitin*, Amanpreet Singh Arora, Aditya Patel, Radhika M International Journal of Advancements in Computing Technology Volume 2, Number 5, December 2010 Enhancing E-mail Security by CAPTCHA based Image Grid Master Password Nitin*, Amanpreet Singh Arora, Aditya Patel, Radhika M](https://www.pdfsearch.io/img/31c729f18be0e89d9947ad605cd2aced.jpg) | Add to Reading ListSource URL: www.aicit.orgLanguage: English - Date: 2011-09-28 10:10:13
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10![Microsoft Word - Welcome to the Charter Challenge Discussion Board Microsoft Word - Welcome to the Charter Challenge Discussion Board](https://www.pdfsearch.io/img/04ba89f97cc619436c2ac490224824dc.jpg) | Add to Reading ListSource URL: ojen.caLanguage: English - Date: 2012-10-13 08:15:18
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