"Re: CAPTCHAs-Understanding CAPTCHA-Solving Services in an Economic Context."

Marti Motoyama et al. (2010)

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access: open

type: Conference or Workshop Paper

metadata version: 2020-03-12

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Marti Motoyama, Kirill Levchenko, Chris Kanich, Damon McCoy, Geoffrey M. Voelker, Stefan Savage:
Re: CAPTCHAs-Understanding CAPTCHA-Solving Services in an Economic Context. USENIX Security Symposium 2010: 435-462

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