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SAC
2010
ACM
9 years 5 months ago
CAPTCHA smuggling: hijacking web browsing sessions to create CAPTCHA farms
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...
Manuel Egele, Leyla Bilge, Engin Kirda, Christophe...
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