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This paper investigates two seller-driven black-hat online marketplaces, SEOClerks and MyCheapJobs, aiming to shed light on the services they offer as well as sellers and customers they attract. We perform a measurement-based analysis based on complete crawls of their websites and find that the vast majority of services target popular social media and(More)
Auto-surf and manual-surf traffic exchanges are an increasingly popular way of artificially generating website traffic. Previous research in this area has focused on the makeup, usage, and monetization of underground traffic exchanges. In this paper, we analyze the role of traffic exchanges as a vector for malware propagation. We conduct a measurement study(More)
Online social media allows consumers to engage with each other and to create, share, discuss and modify user-generated content in a highly interactive way. Social media platforms have therefore become critical for companies trying to gauge the pulse of consumers, help identify issues faster, receive immediate feedback on products and offering etc. An(More)
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